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公开(公告)号:US2341011A
公开(公告)日:1944-02-08
申请号:US47027342
申请日:1942-12-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: BASCOM HENRY M , RHODES WILLIAM A
IPC: B65H23/188
CPC classification number: B65H23/1884 , Y10T83/4664
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公开(公告)号:US2206538A
公开(公告)日:1940-07-02
申请号:US23147738
申请日:1938-09-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: RHODES WILLIAM A
CPC classification number: H04Q3/0016 , H04Q1/453 , H04Q5/06
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公开(公告)号:US2267950A
公开(公告)日:1941-12-30
申请号:US35751840
申请日:1940-09-20
Applicant: BELL TELEPHONE LABOR INC
Inventor: RHODES WILLIAM A
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公开(公告)号:US2270246A
公开(公告)日:1942-01-20
申请号:US35751940
申请日:1940-09-20
Applicant: BELL TELEPHONE LABOR INC
Inventor: BASCOM HENRY M , RHODES WILLIAM A
IPC: H04M15/08
CPC classification number: H04M15/08
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公开(公告)号:US2298453A
公开(公告)日:1942-10-13
申请号:US29148439
申请日:1939-08-23
Applicant: BELL TELEPHONE LABOR INC
Inventor: BASCOM HENRY M , RHODES WILLIAM A
IPC: H04M15/10
CPC classification number: H04M15/10
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