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公开(公告)号:US2188075A
公开(公告)日:1940-01-23
申请号:US6443036
申请日:1936-02-18
Applicant: GRAY PROCESSES CORP
Inventor: COOKE HORACE B
IPC: C10G25/00
CPC classification number: C10G25/00
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公开(公告)号:US2172436A
公开(公告)日:1939-09-12
申请号:US15668837
申请日:1937-07-31
Applicant: GRAY PROCESSES CORP
Inventor: COOKE HORACE B , MANDELBAUM MALVIN R
IPC: C10G50/00
CPC classification number: C10G50/00
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公开(公告)号:US2044421A
公开(公告)日:1936-06-16
申请号:US69142633
申请日:1933-09-29
Applicant: GRAY PROCESSES CORP
Inventor: COOKE HORACE B
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