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公开(公告)号：US2201341A
公开(公告)日：1940-05-21
申请号：US20540238
申请日：1938-05-02
Applicant: MASONITE CORP
Inventor： LADON AARON A , OSBORN FRANK V
CPC classification number: E04F13/0801 , E04F19/022 , Y10S52/08
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