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公开(公告)号：US2470580A
公开(公告)日：1949-05-17
申请号：US56159244
申请日：1944-11-02
Applicant: NAT UNION RADIO CORP
Inventor： GUNTHER SCHNEIDER GERHARD , HUGHES CLIFFORD J
IPC: B05B13/02
CPC classification number: B05B13/02
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