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1 janv. 1872 - coal mines regulation act - 1872

Description:

-managers needed certification,
-miners given right to appoint inspectors

Ajouté au bande de temps:

Britain 1750-1880

ByRae Dyer
16 mars 2023

Date:

1 janv. 1872
Maintenaint
~ Il y a 152 ans
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