General principles for the organisation of factory inspection Report
International Labour Conference. Session (5: 1923 Geneva)
Bok Engelsk 1923
Utgitt | Geneva : International labour office , 1923
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Omfang | I, 214 s.
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Emner |
Utgitt | Geneva : International labour office , 1923
|
---|---|
Omfang | I, 214 s.
|
Emner |