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1 Jan 1960 Jahr - saw the passage of legislation promotion workplace safety.

Beschreibung:

*The service contract act
*federal metal and nonmetallic mine safety act.
*federal coal mine and safety act
*contract workers and safety standards act.

Zugefügt zum Band der Zeit:

part1

ByAhmed Akram Alkhashab
1 Nov 2017

Datum:

1 Jan 1960 Jahr
Jetzt
~ 64 years ago
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