Verfahren und Vorrichtung zur Herstellung schraubenförmig gerillter endloser Schläuche oder Rohre.,申请号ATD138969-传众专利搜索

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发明名称	Verfahren und Vorrichtung zur Herstellung schraubenförmig gerillter endloser Schläuche oder Rohre.
摘要
申请公布号	AT138969(B)	申请公布日期	1934.10.10
申请号	ATD138969	申请日期	1931.10.10
申请人	JOSEF KOPETZ	发明人	JOSEF KOPETZ
分类号		主分类号
代理机构		代理人
主权项
地址

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