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Inventor
ISHIHARA SHIN
JP
2 patents
Patents
2 patents
US4944663A
Jul 31, 1990
Rotary compressor having oxidizing and nitriding surface treatment
HITACHI LTD
59 citations
94
US4915554A
Apr 10, 1990
Hermetic rotary compressor with balancing weights
HITACHI LTD
38 citations
91