Abflussregler fuer Erdoelseparatoren,申请号DE1941G104330D-传众专利搜索

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发明名称	Abflussregler fuer Erdoelseparatoren
摘要
申请公布号	DE731474(C)	申请公布日期	1943.02.10
申请号	DE1941G104330D	申请日期	1941.11.07
申请人	GUSTAV FRIEDRICH GERDTS	发明人
分类号	E21B43/34;F16K31/30	主分类号	E21B43/34
代理机构		代理人
主权项
地址

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