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公开(公告)号：US1935581A
公开(公告)日：1933-11-14
申请号：US40565029
申请日：1929-11-08
Applicant: MEAD MORRISON MFG COMPANY
Inventor： SNOW JR FREDERICK O
IPC: F16D13/54
CPC classification number: F16D13/54
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