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公开(公告)号:US2704942A
公开(公告)日:1955-03-29
申请号:US41333354
申请日:1954-03-01
Applicant: KOILE ROSS E
Inventor: KOILE ROSS E
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公开(公告)号:US1163668A
公开(公告)日:1915-12-14
申请号:US1914859859
申请日:1914-09-02
Applicant: KOILE ROSS E
Inventor: KOILE ROSS E
CPC classification number: F15B13/0417 , Y10T137/7039 , Y10T137/87048 , Y10T137/87088 , Y10T137/87169 , Y10T137/87249 , Y10T137/87981
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