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公开(公告)号:US2031411A
公开(公告)日:1936-02-18
申请号:US66143833
申请日:1933-03-18
Applicant: FURY WILLIAM M
Inventor: FURY WILLIAM M
IPC: H01J21/20
CPC classification number: H01J21/20 , H01J2893/003
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公开(公告)号:US1444678A
公开(公告)日:1923-02-06
申请号:US56350422
申请日:1922-05-25
Applicant: CHARLES GARRABRANT , FURY WILLIAM M
Inventor: CHARLES GARRABRANT , FURY WILLIAM M
IPC: A47B3/02
CPC classification number: A47B3/02 , A47B2003/025
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