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公开(公告)号：US2019275A
公开(公告)日：1935-10-29
申请号：US55156431
申请日：1931-07-17
Applicant: SHARPLES SOLVENTS CORP
Inventor： TRIEST SHARPLES PHILIP
IPC: A01N33/04
CPC classification number: A01N33/04
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