Vorrichtung zur Herstellung von Rohrstraengen aus Beton oder aehnlichen Baustoffen unter der Erdoberflaeche,申请号DE1935R093040D-传众专利搜索

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发明名称	Vorrichtung zur Herstellung von Rohrstraengen aus Beton oder aehnlichen Baustoffen unter der Erdoberflaeche
摘要
申请公布号	DE645907(C)	申请公布日期	1938.09.19
申请号	DE1935R093040D	申请日期	1935.03.30
申请人	DR. HEINZ JANERT	发明人
分类号	E02B11/02;E02F5/10	主分类号	E02B11/02
代理机构		代理人
主权项
地址

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