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公开(公告)号：US3214505A
公开(公告)日：1965-10-26
申请号：US14579461
申请日：1961-10-18
Applicant: SMITH CORP A O
Inventor： HARRY PIERKOWSKI , STEIN GEORGE A
CPC classification number: B29D23/008 , B29C43/00 , B29C43/027 , B29C43/361 , B29C2043/3615 , B29C2043/3621 , B29C2043/3665 , B29K2105/06 , B29L2031/246 , Y10S425/026
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