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公开(公告)号：US2823639A
公开(公告)日：1958-02-18
申请号：US50654355
申请日：1955-05-06
Applicant: ADMIRAL CORP
Inventor： VISTAIN JR JAMES E , JOHNSON WALLACE C
IPC: H03J1/04
CPC classification number: H03J1/045 , Y10S116/29 , Y10S116/31
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