Method of producing construction material,申请号US19320612765-传众专利搜索

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发明名称	Method of producing construction material
摘要
申请公布号	US1947488(A)	申请公布日期	1934.02.20
申请号	US19320612765	申请日期	1932.05.21
申请人	NEWHOUSE RAY C	发明人	NEWHOUSE RAY C.
分类号	C04B5/06	主分类号	C04B5/06
代理机构		代理人
主权项
地址

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