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公开(公告)号：US3546999A
公开(公告)日：1970-12-15
申请号：US3546999D
申请日：1968-06-21
Applicant: UNIDYNAMICS PHOENIX
Inventor： HOSANG ALLAN F
CPC classification number: F16B31/005 , F16B33/00 , F16J13/00 , F42B3/006
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