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1.Process of making hardboard and the like containing furfuryl alcohol resins 失效
Title translation: 制造含有糠醇树脂的硬质板等的工序公开(公告)号:US2612445A
公开(公告)日:1952-09-30
申请号:US10783549
申请日:1949-07-30
Applicant: MASONITE CORP
Inventor: OSWALD SPENCE
IPC: D21J1/08
CPC classification number: D21J1/08
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2.
公开(公告)号:US2422504A
公开(公告)日:1947-06-17
申请号:US52121144
申请日:1944-02-05
Applicant: MASONITE CORP
Inventor: OSWALD SPENCE
IPC: C07C51/47
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