Specification for bevel protractors (mechanical and optical).

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Cyhoeddwyd: London : British Standards Institution, 1951.
Awdur Corfforaethol:
Fformat: Llyfr

EPS Library, Level 1, Standards Collection

Manylion daliadau o EPS Library, Level 1, Standards Collection
Rhif Galw Copi Loan Type Statws Gwneud Cais
BS 1685:1951 AU15117324B
3 day Ar gael Gwneud Cais