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公开(公告)号:US1827871A
公开(公告)日:1931-10-20
申请号:US49459130
申请日:1930-11-10
Applicant: FROST THOMAS H
Inventor: FROST THOMAS H
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公开(公告)号:US1623238A
公开(公告)日:1927-04-05
申请号:US2880425
申请日:1925-05-08
Applicant: FROST THOMAS H , PAUL HEYMANS
Inventor: FROST THOMAS H , PAUL HEYMANS
IPC: G01L1/04
CPC classification number: G01L1/04
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公开(公告)号:US1887504A
公开(公告)日:1932-11-15
申请号:US50850531
申请日:1931-01-13
Applicant: FROST THOMAS H
Inventor: FROST THOMAS H
IPC: C23C8/26
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公开(公告)号:US1864995A
公开(公告)日:1932-06-28
申请号:US52145331
申请日:1931-03-10
Applicant: FROST THOMAS H
Inventor: FROST THOMAS H
IPC: B26B21/06
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公开(公告)号:US1942025A
公开(公告)日:1934-01-02
申请号:US50642331
申请日:1931-01-03
Applicant: FROST THOMAS H
Inventor: FROST THOMAS H
CPC classification number: C23C8/26 , B26B21/54 , Y10S76/08 , Y10T29/49798
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公开(公告)号:US1839023A
公开(公告)日:1931-12-29
申请号:US53131031
申请日:1931-04-20
Applicant: FROST THOMAS H
Inventor: FROST THOMAS H
IPC: B26F1/44
CPC classification number: B26F1/44 , B26F1/40 , Y10S76/02 , Y10T83/9295 , Y10T407/27
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公开(公告)号:US1827872A
公开(公告)日:1931-10-20
申请号:US49565730
申请日:1930-11-14
Applicant: FROST THOMAS H
Inventor: FROST THOMAS H
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