SCHLITZROHR ZUR ENTWAESSERUNG VON VERKEHRSFLAECHEN,申请号DE19722249627-传众专利搜索

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发明名称	SCHLITZROHR ZUR ENTWAESSERUNG VON VERKEHRSFLAECHEN
摘要
申请公布号	DE2249627(B2)	申请公布日期	1977.02.17
申请号	DE19722249627	申请日期	1972.10.11
申请人		发明人
分类号	E01C11/22;(IPC1-7):E01C11/22	主分类号	E01C11/22
代理机构		代理人
主权项
地址

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