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公开(公告)号:US706554A
公开(公告)日:1902-08-12
申请号:US1901083957
申请日:1901-11-29
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L
CPC classification number: G01P1/08
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公开(公告)号:US1574648A
公开(公告)日:1926-02-23
申请号:US53238222
申请日:1922-01-28
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L
IPC: G08B5/24
CPC classification number: G08B5/24
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公开(公告)号:US1171945A
公开(公告)日:1916-02-15
申请号:US1913760467
申请日:1913-04-11
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L
CPC classification number: B23K9/125
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公开(公告)号:US1021250A
公开(公告)日:1912-03-26
申请号:US1910553984
申请日:1910-04-07
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L
CPC classification number: G05D3/127
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公开(公告)号:US956960A
公开(公告)日:1910-05-03
申请号:US1907396088
申请日:1907-10-05
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L
CPC classification number: G09F11/23
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公开(公告)号:US925093A
公开(公告)日:1909-06-15
申请号:US925093D
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L
CPC classification number: H04M1/723
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公开(公告)号:US905513A
公开(公告)日:1908-12-01
申请号:US1908413342
申请日:1908-01-30
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L
CPC classification number: G09F11/23
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公开(公告)号:US843746A
公开(公告)日:1907-02-12
申请号:US1901085133
申请日:1901-12-09
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L
CPC classification number: G08B7/06
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公开(公告)号:US803414A
公开(公告)日:1905-10-31
申请号:US1905251021
申请日:1905-03-20
Applicant: GEN ELECTRIC
Inventor: HALL JOHN L , YATES WILLIAM C
CPC classification number: H01C10/38
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