Joint sealing assemblies for concrete structures,申请号GB19670019052-传众专利搜索

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发明名称	Joint sealing assemblies for concrete structures
摘要
申请公布号	GB1139538(A)	申请公布日期	1969.01.08
申请号	GB19670019052	申请日期	1967.04.25
申请人	W. R. GRACE & CO.	发明人
分类号	E01C11/12;E04B1/68;E04B1/686	主分类号	E01C11/12
代理机构		代理人
主权项
地址

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