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Factory quality control of phonendoscopes having a rigid diaphragm
B. A. Genkin, A. I. Koblents-Mishke, E. V. PashkevichVolume:
6
Language:
english
Pages:
3
DOI:
10.1007/bf00560076
Date:
March, 1972
File:
PDF, 238 KB
english, 1972