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公开(公告)号：US2907712A
公开(公告)日：1959-10-06
申请号：US59943456
申请日：1956-07-23
Applicant: INFILCO INC
Inventor： EIDSNESS FRED A , KALINSKE ANTON A
IPC: C02F3/28
CPC classification number: C02F3/28
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