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Keywords from Image Description:
Rabowanie drewnianej obudowy grnictwo Drawing off.tif en photograpgh of drawing off timbering in mine by pneumatic automat at the beginning of the th century From Museum of Coal Mining ill no pl Rabowanie drewnianej obudowy za pomoc automatu na sprone powietrze fotografia pocztku XX wieku Ze zbiorw Muzeum Grnictwa Wglowego il Own