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公开(公告)号:US1079352A
公开(公告)日:1913-11-25
申请号:US1913752318
申请日:1913-03-06
Applicant: ARTHUR A NOYES
Inventor: KEYES FREDERICK G
CPC classification number: H01J5/32
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公开(公告)号:US1159335A
公开(公告)日:1915-11-02
申请号:US1913752316
申请日:1913-03-06
Applicant: ARTHUR A NOYES
Inventor: KEYES FREDERICK G
CPC classification number: H01J5/32
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公开(公告)号:US1526423A
公开(公告)日:1925-02-17
申请号:US41669920
申请日:1920-10-13
Applicant: ARTHUR A NOYES TRUSTEE
Inventor: KEYES FREDERICK G , KRAUS CHARLES A
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