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公开(公告)号：US3015343A
公开(公告)日：1962-01-02
申请号：US77595758
申请日：1958-11-24
Applicant: VICKERS INC
Inventor： GARDINER DUNCAN B , HILL FRANK E
IPC: F15B13/043
CPC classification number: F15B13/0438 , Y10T137/8659
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