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公开(公告)号:US718235A
公开(公告)日:1903-01-13
申请号:US1901050967
申请日:1901-03-13
Applicant: AMERICAN ELECTRIC TELEPHONE COMPANY
Inventor: YAXLEY ERNEST E
CPC classification number: G10K1/062
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公开(公告)号:US807528A
公开(公告)日:1905-12-19
申请号:US1901051809
申请日:1901-03-18
Applicant: AMERICAN ELECTRIC TELEPHONE COMPANY
Inventor: YAXLEY ERNEST E
CPC classification number: H04R1/08
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公开(公告)号:US713829A
公开(公告)日:1902-11-18
申请号:US1901078085
申请日:1901-10-09
Applicant: AMERICAN ELECTRIC TELEPHONE COMPANY
Inventor: YAXLEY ERNEST E
CPC classification number: H04M1/08
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公开(公告)号:US701122A
公开(公告)日:1902-05-27
申请号:US1901050968
申请日:1901-03-13
Applicant: AMERICAN ELECTRIC TELEPHONE COMPANY
Inventor: YAXLEY ERNEST E
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