,申请号NL19720014847-传众专利搜索

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发明名称
摘要
申请公布号	NL7214847(A)	申请公布日期	1974.05.06
申请号	NL19720014847	申请日期	1972.11.02
申请人		发明人
分类号	E04B1/24;E04G7/30;(IPC1-7):E04G7/30	主分类号	E04B1/24
代理机构		代理人
主权项
地址

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