Building material and method of producing the same,申请号US19360072976-传众专利搜索

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发明名称	Building material and method of producing the same
摘要
申请公布号	US2140850(A)	申请公布日期	1938.12.20
申请号	US19360072976	申请日期	1936.04.06
申请人	THE SANITARY DISTRICT OF CHICAGO	发明人	PALMIERI MARIO;BECK ARNOLD J.
分类号	C04B18/08	主分类号	C04B18/08
代理机构		代理人
主权项
地址

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