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公开(公告)号:US1598022A
公开(公告)日:1926-08-31
申请号:US60294322
申请日:1922-11-24
Applicant: SNYDER WARD H , FARKAS FRANK F
Inventor: SNYDER WARD H , FARKAS FRANK F
IPC: G01J1/14
CPC classification number: G01J1/14
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公开(公告)号:US1331062A
公开(公告)日:1920-02-17
申请号:US26229218
申请日:1918-11-13
Applicant: GEN ELECTRIC
Inventor: WARD HARRISON
IPC: G01J1/14
CPC classification number: G01J1/14
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