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公开(公告)号：US3243207A
公开(公告)日：1966-03-29
申请号：US37471464
申请日：1964-06-12
Applicant: CHEMPLAST INC
Inventor： CARPENTER ROBERT E , HENRY FIELITZ
CPC classification number: F16L19/06 , F16L47/04 , F16L49/06 , Y10S285/911
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