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公开(公告)号:US1875774A
公开(公告)日:1932-09-06
申请号:US47679430
申请日:1930-08-21
Applicant: COMMERCIAL SOLVENTS CORP
Inventor: SWALLEN LLOYD C , BOECKELER BENJAMIN C
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2.
公开(公告)号:US1884561A
公开(公告)日:1932-10-25
申请号:US48437030
申请日:1930-09-25
Applicant: COMMERCIAL SOLVENTS CORP
Inventor: CARLSMITH LEONARD E , BOECKELER BENJAMIN C , KRCHMA IGNACE J
IPC: C01C1/08
CPC classification number: C01C1/08
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3.
公开(公告)号:US1885003A
公开(公告)日:1932-10-25
申请号:US48437130
申请日:1930-09-25
Applicant: COMMERCIAL SOLVENTS CORP
Inventor: CARLSMITH LEONARD E , BOECKELER BENJAMIN C , KRCHMA IGNACE J
IPC: C01C1/08
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