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公开(公告)号:US3393871A
公开(公告)日:1968-07-23
申请号:US42186464
申请日:1964-12-29
Applicant: BERK LTD
Inventor: VITEZSLAV KUDELKA
IPC: B05B7/20 , C23C4/12
CPC classification number: B05B7/205 , C23C4/129