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公开(公告)号：US3437207A
公开(公告)日：1969-04-08
申请号：US3437207D
申请日：1964-10-05
Applicant: ASEA AB
Inventor： FEJES PETER
IPC: C02F1/28 , G21C19/307 , B01D35/02 , B01D29/08
CPC classification number: C02F1/281 , C02F2103/42 , G21C19/307
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