CONTROL OF AIR ENTRAIN- MENT IN CONCRETE COMPOUND,申请号JP19900135520-传众专利搜索

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发明名称	CONTROL OF AIR ENTRAIN- MENT IN CONCRETE COMPOUND
摘要
申请公布号	JPH0328147(A)	申请公布日期	1991.02.06
申请号	JP19900135520	申请日期	1990.05.28
申请人	W R GRACE & CO	发明人	AAMADO ARUFUAEI
分类号	C04B24/02;C04B28/02;C04B40/00	主分类号	C04B24/02
代理机构		代理人
主权项
地址

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