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公开(公告)号:US1798855A
公开(公告)日:1931-03-31
申请号:US34788029
申请日:1929-03-18
Applicant: SCOTT ARNOLD W
Inventor: SCOTT ARNOLD W
IPC: F01L1/28
CPC classification number: F01L1/28
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公开(公告)号:US2214679A
公开(公告)日:1940-09-10
申请号:US26860539
申请日:1939-04-18
Applicant: SCOTT ARNOLD W
Inventor: SCOTT ARNOLD W
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公开(公告)号:US2241745A
公开(公告)日:1941-05-13
申请号:US20912638
申请日:1938-05-20
Applicant: SCOTT ARNOLD W
Inventor: SCOTT ARNOLD W
IPC: B26B19/16
CPC classification number: B26B19/16
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