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1.发明授权
公开(公告)号：US2727029A
公开(公告)日：1955-12-13
申请号：US22931651
申请日：1951-06-01
Applicant: RAYONIER INC
Inventor： BLARICOM LLOYD EUGENE VAN , RUSSELL GRAY KENNETH , GORDON WARD FRANK
CPC classification number: D21C11/005 , B01J47/014
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