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3Published 1982Subjects “...Metal-work....”
Book -
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16Published 1977Subjects “...Work Physiological aspects Congresses....”
Book -
17Published 1986Subjects “...Rolling (Metal-work)...”
Book -
18Published 1988Subjects “...Rolling (Metal-work) Congresses....”
Conference Proceeding Book -
19Published 1968Subjects “...Metal-work Congresses....”
Book -
20Published 1987Subjects “...Agricultural extension work....”
Book