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公开(公告)号：US1898329A
公开(公告)日：1933-02-21
申请号：US29709328
申请日：1928-08-02
Applicant: COMMERCIAL SOLVENTS CORP
Inventor： WILSON PERRY W
IPC: C12P7/52
CPC classification number: C12P7/52 , Y10S435/856 , Y10S435/873
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公开(公告)号：US1932755A
公开(公告)日：1933-10-31
申请号：US46412330
申请日：1930-06-26
Applicant: COMMERCIAL SOLVENTS CORP
Inventor： STILES HUGH R , WILSON PERRY W
CPC classification number: C12P7/54 , C12P7/52 , Y10S435/822 , Y10S435/856
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