Assignee
POONG SAN METAL CORP
KR·2 granted patents·49 citations·filing 1983–1988
Top patents by PatentIndex Score
2 records- 0180US4851191AHigh strength and wear resistance copper alloysPOONG SAN METAL CORP·Filed 1988·Granted Jul 25, 1989·28 cites·2 claims
- 0277US4466939AProcess of producing copper-alloy and copper alloy plate used for making electrical or electronic partsPOONG SAN METAL CORP·Filed 1983·Granted Aug 21, 1984·21 cites·17 claims
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