Method of making constructional material,申请号US19280323582-传众专利搜索

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发明名称	Method of making constructional material
摘要
申请公布号	US2019449(A)	申请公布日期	1935.10.29
申请号	US19280323582	申请日期	1928.12.03
申请人	THE PHILIP CAREY MANUFACTURING COMPANY	发明人	FISCHER ALBERT C.
分类号	D21J1/00	主分类号	D21J1/00
代理机构		代理人
主权项
地址

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