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公开(公告)号:US3013071A
公开(公告)日:1961-12-12
申请号:US69988957
申请日:1957-12-02
Applicant: NAT DISTILLERS CHEM CORP
Inventor: FRANK CHARLES E , FOSTER WALTER E
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公开(公告)号:US2960533A
公开(公告)日:1960-11-15
申请号:US65241657
申请日:1957-04-12
Applicant: NAT DISTILLERS CHEM CORP
Inventor: FRANK CHARLES E , FOSTER WALTER E
IPC: C07C51/48
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公开(公告)号:US2816916A
公开(公告)日:1957-12-17
申请号:US38245653
申请日:1953-09-25
Applicant: NAT DISTILLERS CHEM CORP
Inventor: FRANK CHARLES E , FOSTER WALTER E
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