Mehrfeldriges Brueckentragwerk aus Stahl- oder Spannbeton,申请号DE19691929701-传众专利搜索

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发明名称	Mehrfeldriges Brueckentragwerk aus Stahl- oder Spannbeton
摘要
申请公布号	DE1929701(A1)	申请公布日期	1970.12.23
申请号	DE19691929701	申请日期	1969.06.11
申请人	DYCKERHOFF & WIDMANN KG	发明人
分类号	E01D2/04;E01D19/04	主分类号	E01D2/04
代理机构		代理人
主权项
地址

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