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公开(公告)号:US1930831A
公开(公告)日:1933-10-17
申请号:US34677629
申请日:1929-03-13
Applicant: KOEHRING CO
Inventor: WEBB GEORGE E
IPC: G01N27/04
CPC classification number: G01N27/048 , Y10S200/40
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2.
公开(公告)号:US1694107A
公开(公告)日:1928-12-04
申请号:US9714926
申请日:1926-03-24
Applicant: STARKINS WALTER R
Inventor: STARKINS WALTER R
IPC: F24F3/14
CPC classification number: F24F3/14 , Y10S200/40 , Y10S261/34
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公开(公告)号:US1682915A
公开(公告)日:1928-09-04
申请号:US16963527
申请日:1927-02-19
Applicant: LAWRENCE GEORGE R
Inventor: LAWRENCE GEORGE R
IPC: G01N25/62
CPC classification number: G01N25/62 , Y10S200/40
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公开(公告)号:US1244528A
公开(公告)日:1917-10-30
申请号:US13034916
申请日:1916-11-09
Applicant: WESTERN ELECTRIC CO
Inventor: MAY DAVID T
CPC classification number: H01T4/12 , Y10S200/40
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公开(公告)号:US1215360A
公开(公告)日:1917-02-13
申请号:US1911616013
申请日:1911-03-21
Applicant: FUSS MAX
Inventor: FUSS MAX
CPC classification number: H02P9/305 , Y10S200/40
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公开(公告)号:US996804A
公开(公告)日:1911-07-04
申请号:US1909529425
申请日:1909-11-22
Applicant: SCHUMACHER GEORG
Inventor: SCHUMACHER GEORG
CPC classification number: A61F13/42 , Y10S200/40
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公开(公告)号:US969854A
公开(公告)日:1910-09-13
申请号:US1910554590
申请日:1910-04-11
Applicant: FRIES JOHN W
Inventor: FRIES JOHN W
CPC classification number: F24F3/14 , Y10S200/40 , Y10S261/34
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公开(公告)号:US2320535A
公开(公告)日:1943-06-01
申请号:US43755842
申请日:1942-04-03
Applicant: FERDINAND PETERSON HENRY
Inventor: FERDINAND PETERSON HENRY
IPC: H01H35/00
CPC classification number: H01H35/00 , Y10S200/40
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公开(公告)号:US2210656A
公开(公告)日:1940-08-06
申请号:US2559635
申请日:1935-06-08
Applicant: DOWNS CHARLES R , SPISELMAN JOSEPH W
Inventor: DOWNS CHARLES R , SPISELMAN JOSEPH W
IPC: F24F3/14
CPC classification number: F24F3/14 , Y10S200/40
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公开(公告)号:US2019886A
公开(公告)日:1935-11-05
申请号:US66373433
申请日:1933-03-31
Applicant: BORIS BOGOSLOWSKY
Inventor: BORIS BOGOSLOWSKY
IPC: G01N19/10
CPC classification number: G01N19/10 , Y10S200/40 , Y10S236/13
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