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公开(公告)号:US1631377A
公开(公告)日:1927-06-07
申请号:US1055225
申请日:1925-02-20
Applicant: GEN ELECTRIC
Inventor: WALTHER-WINFRIED LOEBE , MAX GROSSMANN
公开(公告)号:US1631377A
公开(公告)日:1927-06-07
申请号:US1055225
申请日:1925-02-20
Applicant: GEN ELECTRIC
Inventor: WALTHER-WINFRIED LOEBE , MAX GROSSMANN