Hydraulic cement and other calcareous plastics,申请号US19270234043-传众专利搜索

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发明名称	Hydraulic cement and other calcareous plastics
摘要
申请公布号	US1755502(A)	申请公布日期	1930.04.22
申请号	US19270234043	申请日期	1927.11.17
申请人	SILICA PRODUCTS CO.	发明人	COLLINGS WILLIAM ARTHUR
分类号	C04B14/10;C04B28/04	主分类号	C04B14/10
代理机构		代理人
主权项
地址

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