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公开(公告)号:US2793355A
公开(公告)日:1957-05-21
申请号:US40965254
申请日:1954-02-11
Applicant: VECTOR MFG COMPANY
Inventor: RANDALL CLIFTON O , ZEPERNICK LAWRENCE D , MCLOAD KENNETH W
IPC: G01V1/16
CPC classification number: G01V1/16
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公开(公告)号:US2842750A
公开(公告)日:1958-07-08
申请号:US40229854
申请日:1954-01-05
Applicant: VECTOR MFG COMPANY
Inventor: RANDALL CLIFTON O , ZEPERNICK LAWRENCE D
IPC: H01B7/04
CPC classification number: H01B7/041
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公开(公告)号:US2754489A
公开(公告)日:1956-07-10
申请号:US33986253
申请日:1953-03-02
Applicant: VECTOR MFG COMPANY
Inventor: RANDALL CLIFTON O , WEATHERSBY WARREN P , ZEPERNICK LAWRENCE D
IPC: G01V1/20
CPC classification number: G01V1/201
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