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公开(公告)号:US2206024A
公开(公告)日:1940-07-02
申请号:US15836937
申请日:1937-08-10
Applicant: SHARPLES CORP
Inventor: BROWN CHARLES R
IPC: C12F3/08
CPC classification number: C12F3/08
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公开(公告)号:US2263608A
公开(公告)日:1941-11-25
申请号:US15503637
申请日:1937-07-22
Applicant: SHARPLES CORP
Inventor: BROWN CHARLES R
IPC: C12F3/10
CPC classification number: C12F3/10
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公开(公告)号:US2294446A
公开(公告)日:1942-09-01
申请号:US34002640
申请日:1940-06-12
Applicant: SHARPLES CORP
Inventor: BROWN CHARLES R , SCOTT ASHTON T
IPC: C09F1/00
CPC classification number: C09F1/00
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公开(公告)号:US2271621A
公开(公告)日:1942-02-03
申请号:US37201140
申请日:1940-12-27
Applicant: SHARPLES CORP
Inventor: BROWN CHARLES R
IPC: C11B11/00
CPC classification number: C11B11/005 , Y02W30/74
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公开(公告)号:US2227203A
公开(公告)日:1940-12-31
申请号:US23911438
申请日:1938-11-05
Applicant: SHARPLES CORP
Inventor: SCOTT ASHTON T , BROWN CHARLES R
IPC: C11D13/30
CPC classification number: C11D13/30
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公开(公告)号:US2190095A
公开(公告)日:1940-02-13
申请号:US7573036
申请日:1936-04-22
Applicant: SHARPLES CORP
Inventor: BROWN CHARLES R
IPC: C12G3/02
CPC classification number: C12G3/02
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公开(公告)号:US2216905A
公开(公告)日:1940-10-08
申请号:US22445338
申请日:1938-08-12
Applicant: SHARPLES CORP
Inventor: BROWN CHARLES R , SCOTT ASHTON T
IPC: C11B13/00
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公开(公告)号:US2216904A
公开(公告)日:1940-10-08
申请号:US22264038
申请日:1938-08-02
Applicant: SHARPLES CORP
Inventor: BROWN CHARLES R
IPC: C11B13/00
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