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公开(公告)号：US2661318A
公开(公告)日：1953-12-01
申请号：US19213650
申请日：1950-10-25
Applicant: STANDARD OIL CO
Inventor： MACLAREN FREDERICK H , SCHWARTZ LYLE P
IPC: A21D8/08
CPC classification number: A21D8/08
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