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公开(公告)号：US2046750A
公开(公告)日：1936-07-07
申请号：US72024734
申请日：1934-04-12
Applicant: MASONITE CORP
Inventor： MASON WILLIAM H , WESTPHALEN CHARLES H
IPC: D21J1/00
CPC classification number: D21J1/00
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