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公开(公告)号：US2554499A
公开(公告)日：1951-05-29
申请号：US77264547
申请日：1947-09-08
Applicant: ARMOUR RES FOUND
Inventor： POULTER THOMAS C
IPC: B01J3/06
CPC classification number: B01J3/065 , B01J3/06 , B30B11/004 , Y10T29/49863 , Y10T29/49945
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