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公开(公告)号：US2665772A
公开(公告)日：1954-01-12
申请号：US22980151
申请日：1951-06-04
Applicant: GREER HYDRAULIES INC
Inventor： GREER EDWARD M , ROBERT WETTERAU CARL
IPC: F16N33/00
CPC classification number: F16N33/00
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