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  1. 41
    Published 1989
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    Spectacle lenses.
  2. 42
    Published 1986
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    Specification for connectors of assessed quality for optical fibres and cables: generic data and methods of test.
  3. 43
    Published 1952
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    Specification for projectors for film strip and miniature lantern slides (for educational use) and optical lanterns.
  4. 44
    Published 1991
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    Implementation of ISO 9144:1991. Securities - Optical character recognition line - Position and structure.
  5. 45
    Published 1969
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    Methods for determining optical properties of pulp, paper and board.
  6. 46
    Published 1975
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    Methods for determining optical properties of pulp, paper and board.
  7. 47
    Published 1980
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    Methods for determining optical properties of pulp, paper and board.
  8. 48
    Published 1969
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    Methods for determining optical properties of pulp, paper and board.
  9. 49
    Published 1975
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    Methods for determining optical properties of pulp, paper and board.
  10. 50
    Published 1980
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    Methods for determining optical properties of pulp, paper and board.
  11. 51
    Published 1980
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    Methods for determining optical properties of pulp, paper and board.
  12. 52
    Published 1975
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    Methods for determining optical properties of pulp, paper and board.
  13. 53
    Published 1969
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    Methods for determining optical properties of pulp, paper and board.
  14. 54
    Published 1980
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    Methods for determining optical properties of pulp, paper and board.
  15. 55
    Published 1988
    “...Specification for optical beam smoke detectors...”
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    Fire detection and alarm systems for buildings.
  16. 56
    Published 1988
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    Methods for determination and expression of entrance field sizes of electro-optical X-ray image intensifiers.
  17. 57
    Published 1988
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    Methods for determination and expression of entrance field sizes of electro-optical X-ray image intensifiers.
  18. 58
    Published 1985
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    Low speed digital signals for use in coal mines
  19. 59
    Published 1989
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    Impact tests on road vehicles.
  20. 60
    Published 1990
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    Measuring instruments for building construction.

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