Wet machine for insulating board,申请号US19310578020-传众专利搜索

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发明名称	Wet machine for insulating board
摘要
申请公布号	US1864784(A)	申请公布日期	1932.06.28
申请号	US19310578020	申请日期	1931.11.30
申请人	WIENER JOHN A;HARMON JOHN B	发明人	WIENER JOHN A.;HARMON JOHN B.
分类号	D21F9/00	主分类号	D21F9/00
代理机构		代理人
主权项
地址

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