Oge Ọrụ (Coal Mines) Nzukọ, 1931

 

Oge Ọrụ (Coal Mines) Nzukọ, 1931

International Labour Organization Convention

aha mkpirisi	C031
oge omelu	1931
kọwara na URL	http://www.ilo.org/dyn/normlex/fr/f?p=NORMLEXPUB:12100:0::NO::P12100_ILO_CODE:C031

Mgbakọ Oge Ọrụ (Coal Mines), 1931 bụ Mgbakọ Ndị Ọrụ Mba Nile .

E hiwere ya na 1931:

 

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