[ON RAPID CHEMICAL TREATMENT OF ROENTGEN FILM IN A DARK ROOM].
D011871:Radiology; D012106:Research; D013672:Technology; D013679:Technology, Radiologic
EXPERIMENTAL LAB STUDY; TECHNOLOGY, RADIOLOGIC
O PRZY'SPIESZONEJ OBR'OBCE CHEMICZNEJ BLON RENTGENOWSKICH W CIEMNI.