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公开(公告)号：US3526470A
公开(公告)日：1970-09-01
申请号：US3526470D
申请日：1968-09-11
Applicant: ST REGIS PAPER CO
Inventor： SWANSON VICTOR ERNEST
CPC classification number: F04C15/0061 , F04C13/002 , F04C13/007
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