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公开(公告)号:US2838375A
公开(公告)日:1958-06-10
申请号:US71683158
申请日:1958-02-05
Applicant: ENGELHARD IND INC
Inventor: TETER JOHN W , GRING JOHN L , KEITH CARL D
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公开(公告)号:US2838444A
公开(公告)日:1958-06-10
申请号:US48972655
申请日:1955-02-21
Applicant: ENGELHARD IND INC
Inventor: TETER JOHN W , GRING JOHN L , KEITH CARL D
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公开(公告)号:US2944096A
公开(公告)日:1960-07-05
申请号:US61692056
申请日:1956-10-19
Applicant: ENGELHARD IND INC
Inventor: YOUNG TETER RUTH , GRING JOHN L , KEITH CARL D
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公开(公告)号:US2838445A
公开(公告)日:1958-06-10
申请号:US58125056
申请日:1956-04-27
Applicant: ENGELHARD IND INC
Inventor: YOUNG TETER RUTH , KEITH CARL D , GRING JOHN L
CPC classification number: C10G35/09 , B01J21/04 , B01J23/40 , B01J23/42 , B01J2229/36
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