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公开(公告)号:US2401841A
公开(公告)日:1946-06-11
申请号:US51243843
申请日:1943-12-01
申请人: EDWIN SINGER
发明人: EDWIN SINGER
CPC分类号: A61F15/002 , B65H37/00 , H05B3/0095 , Y10T225/20 , Y10T225/213
公开(公告)号:US2401841A
公开(公告)日:1946-06-11
申请号:US51243843
申请日:1943-12-01
申请人: EDWIN SINGER
发明人: EDWIN SINGER
CPC分类号: A61F15/002 , B65H37/00 , H05B3/0095 , Y10T225/20 , Y10T225/213