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公开(公告)号:US2316769A
公开(公告)日:1943-04-20
申请号:US35087940
申请日:1940-08-03
Applicant: MASONITE CORP
Inventor: CHILSON WARREN A
CPC classification number: B01F15/00824 , B01F7/00908
公开(公告)号:US2316769A
公开(公告)日:1943-04-20
申请号:US35087940
申请日:1940-08-03
Applicant: MASONITE CORP
Inventor: CHILSON WARREN A
CPC classification number: B01F15/00824 , B01F7/00908