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公开(公告)号：US3077360A
公开(公告)日：1963-02-12
申请号：US499560
申请日：1960-01-27
Applicant: CHEMETRON CORP
Inventor： PHILIP ISRAEL
CPC classification number: F16L23/08 , B01J3/03 , F16J13/18 , Y10T292/214
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