Method for decreasing the porosity of calcareous and siliceous materials,申请号US19510235897-传众专利搜索

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发明名称	Method for decreasing the porosity of calcareous and siliceous materials
摘要
申请公布号	US2650173(A)	申请公布日期	1953.08.25
申请号	US19510235897	申请日期	1951.07.09
申请人	GOULDING JR CHARLES EDWIN	发明人	JR. CHARLES EDWIN GOULDING,
分类号	C04B41/46;C04B41/52	主分类号	C04B41/46
代理机构		代理人
主权项
地址

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