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公开(公告)号:US2118813A
公开(公告)日:1938-05-31
申请号:US3282035
申请日:1935-07-23
Applicant: PHILLIPS PETROLEUM CO
Inventor: FREY FREDERICK E , BURY PAUL A
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公开(公告)号:US2154444A
公开(公告)日:1939-04-18
申请号:US72360734
申请日:1934-05-02
Applicant: PHILLIPS PETROLEUM CO
Inventor: FREY FREDERICK E , BURY PAUL A
IPC: C08G75/22
CPC classification number: C08G75/22
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