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公开(公告)号：US2390369A
公开(公告)日：1945-12-04
申请号：US52148444
申请日：1944-02-07
Applicant: FLOYD HOPPER
Inventor： FLOYD HOPPER
IPC: B29B17/02
CPC classification number: H01B15/005 , B29B17/02 , B29K2021/00 , B29K2705/12 , B29L2030/001 , B29L2031/3462 , Y02W30/622 , Y02W30/821
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