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Report of the Director General : International Labour Conference Session 57 Report 1 Part 1 Technology for freedom . Man in his environment - the ILO contribution
企業作者: | |
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語言: | English |
出版: |
Geneva
International Labour Office
1972
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主題: |
SLS
索引號: |
ILO C72/1(1) |
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復印件 RPT | Live Status Unavailable |
復印件 RPT | Live Status Unavailable |