Patent search ap:("RCA CORP") AND inv:"BATERMANN LUDWIG A" Page 1

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发明授权
Door interlock 失效
Title translation: 门互锁

公开(公告)号：US2290521A

公开(公告)日：1942-07-21

申请号：US35284240

申请日：1940-08-16

Applicant: RCA CORP

Inventor： YOUNG LLOYD L , BATERMANN LUDWIG A

IPC: H01H9/22 , H04B1/02

CPC classification number: H01H9/226 , H04B1/02

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