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公开(公告)号：US2870982A
公开(公告)日：1959-01-27
申请号：US40454854
申请日：1954-01-18
Applicant: PFAUDLER PERMUTIT INC
Inventor： GREENE OTTO W , JAMES KIRVAN
IPC: F16M5/00
CPC classification number: F16M5/00
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