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1.发明授权
公开(公告)号：US2142281A
公开(公告)日：1939-01-03
申请号：US13669537
申请日：1937-04-13
Applicant: HELLA DE CSARADA , BELA VRTYEL VERTEL
Inventor： NANDOR NEMET
CPC classification number: B29C33/02 , B29C73/34 , B29C2035/0211 , B29K2105/24 , B29L2023/245
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