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公开(公告)号:US1471406A
公开(公告)日:1923-10-23
申请号:US31316119
申请日:1919-07-25
Applicant: GLENN L MARTIN
Inventor: MCCULLOUGH FREDERICK S
IPC: G01S1/02
CPC classification number: G01S1/02
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公开(公告)号:US1427832A
公开(公告)日:1922-09-05
申请号:US30897719
申请日:1919-07-07
Applicant: GLENN L MARTIN
Inventor: MCCULLOUGH FREDERICK S
IPC: H03C5/00
CPC classification number: H03C5/00
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公开(公告)号:US1403701A
公开(公告)日:1922-01-17
申请号:US32306519
申请日:1919-09-11
Applicant: GLENN L MARTIN
Inventor: MCCULLOUGH FREDERICK S
IPC: B66B3/00
CPC classification number: B66B3/00
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公开(公告)号:US1496243A
公开(公告)日:1924-06-03
申请号:US30897819
申请日:1919-07-07
Applicant: GLENN L MARTIN
Inventor: MCCULLOUGH FREDERICK S
IPC: G01S1/02
CPC classification number: G01S1/02
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公开(公告)号:US1427833A
公开(公告)日:1922-09-05
申请号:US31495419
申请日:1919-08-02
Applicant: GLENN L MARTIN
Inventor: MCCULLOUGH FREDERICK S
IPC: G01S1/02
CPC classification number: G01S1/02
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公开(公告)号:US1318165A
公开(公告)日:1919-10-07
申请号:US14356017
申请日:1917-01-22
Applicant: GLENN L MARTIN
Inventor: MCCULLOUGH FREDERICK S
CPC classification number: B66B3/00
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公开(公告)号:US1639805A
公开(公告)日:1927-08-23
申请号:US35036220
申请日:1920-01-09
Applicant: GLENN L MARTIN
Inventor: MCCULLOUGH FREDERICK S
IPC: H01J19/28
CPC classification number: H01J19/28 , H01J2893/0011
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