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公开(公告)号：US2435834A
公开(公告)日：1948-02-10
申请号：US63931246
申请日：1946-01-05
Applicant: VICKERS INC
Inventor： HERMAN ALBERT D , HARRINGTON FERRIS T
CPC classification number: F15B21/045 , F15B20/00 , Y10T137/2567
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