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公开(公告)号:US2649528A
公开(公告)日:1953-08-18
申请号:US18696750
申请日:1950-09-27
Applicant: NEW HAVEN COPPER COMPANY
Inventor: KOENIG EDWARD H , JOHN CHESNAVICH
公开(公告)号:US2649528A
公开(公告)日:1953-08-18
申请号:US18696750
申请日:1950-09-27
Applicant: NEW HAVEN COPPER COMPANY
Inventor: KOENIG EDWARD H , JOHN CHESNAVICH