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公开(公告)号:US3478740A
公开(公告)日:1969-11-18
申请号:US3478740D
申请日:1966-12-12
Applicant: AGA AB
Inventor: WENNBERG KARL FREDRIK
IPC: A62B9/00 , A62B23/06 , A62B7/04
CPC classification number: A62B9/006