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1.
公开(公告)号:US2792593A
公开(公告)日:1957-05-21
申请号:US40028953
申请日:1953-12-24
IPC分类号: B29C35/16 , B29C49/00 , B29C49/20 , B29C49/28 , B29C49/52 , B29C49/66 , B29C49/68 , B29C57/10
CPC分类号: B29C49/68 , B29B2911/1402 , B29B2911/14026 , B29B2911/14033 , B29B2911/1404 , B29B2911/14086 , B29B2911/14106 , B29B2911/14113 , B29B2911/1416 , B29B2911/1424 , B29B2911/1438 , B29B2911/1442 , B29B2911/1444 , B29C49/0073 , B29C49/20 , B29C49/28 , B29C49/52 , B29C49/66 , B29C57/10 , B29C2035/1658 , B29C2049/0089 , B29K2105/258 , Y10S264/50