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公开(公告)号：US3328100A
公开(公告)日：1967-06-27
申请号：US35258864
申请日：1964-03-17
Applicant: ABEX CORP
Inventor： SPOKES RAYMOND E , TROESTER JOHN H
IPC: F16C33/20
CPC classification number: F16C33/201
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