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公开(公告)号：US2936481A
公开(公告)日：1960-05-17
申请号：US40820654
申请日：1954-02-04
Applicant: PLAX CORP
Inventor： WILKALIS JOSEPH M , PEILER WILLIAM H
IPC: B29C49/02
CPC classification number: B29C49/022 , B29L2031/7158
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