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公开(公告)号：US1073632A
公开(公告)日：1913-09-23
申请号：US1909520432
申请日：1909-09-30
Applicant: GEN ELECTRIC
Inventor： ROBINSON LEWIS T , HOLZ OTTO , HOLZ MATIE D
CPC classification number: G01R25/00
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公开(公告)号：US1057276A
公开(公告)日：1913-03-25
申请号：US1909501210
申请日：1909-06-09
Applicant: GEN ELECTRIC
Inventor： ROBINSON LEWIS T , HOLZ OTTO , HOLZ MATIE D
CPC classification number: G01R19/22
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