Lightweight aggregate and method of producing same,申请号US19460687903-传众专利搜索

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发明名称	Lightweight aggregate and method of producing same
摘要
申请公布号	US2456207(A)	申请公布日期	1948.12.14
申请号	US19460687903	申请日期	1946.08.02
申请人	LEHIGH PORTLAND CEMENT COMPANY	发明人	MCCOY WALTER J.
分类号	C04B20/06	主分类号	C04B20/06
代理机构		代理人
主权项
地址

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