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公开(公告)号:US2970813A
公开(公告)日:1961-02-07
申请号:US66377357
申请日:1957-06-05
Applicant: LOUIS BECK
Inventor: LOUIS BECK
IPC: B05B9/00
CPC classification number: B05B9/002
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公开(公告)号:US3184124A
公开(公告)日:1965-05-18
申请号:US30210963
申请日:1963-08-14
Applicant: LOUIS BECK
Inventor: LOUIS BECK
CPC classification number: F04B53/126 , F04B9/02 , F04B53/00 , Y10T74/18208
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公开(公告)号:US2933414A
公开(公告)日:1960-04-19
申请号:US71150458
申请日:1958-01-27
Applicant: LOUIS BECK
Inventor: LOUIS BECK
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公开(公告)号:US2802089A
公开(公告)日:1957-08-06
申请号:US47755154
申请日:1954-12-24
Applicant: LOUIS BECK
Inventor: LOUIS BECK
IPC: B05B7/16
CPC classification number: B05B7/1606 , Y10T137/6579
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