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Inventor
TSUJI ROKURO
2 patents
Patents
2 patents
US3953263A
Apr 27, 1976
Process for preventing the formation of nitrogen monoxide in treatment of metals with nitric acid or mixed acid
HITACHI LTD
14 citations
67
US3945898A
Mar 23, 1976
Method for coating metal surface with carbon
HITACHI LTD
14 citations
63