NON-RETURN VALVE FOR RECTANGULAR GAS DUCTS,申请号DE19813169791-传众专利搜索

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发明名称	NON-RETURN VALVE FOR RECTANGULAR GAS DUCTS
摘要
申请公布号	DE3169791(D1)	申请公布日期	1985.05.15
申请号	DE19813169791	申请日期	1981.05.02
申请人	NABER + CO. KG	发明人	NABER, HANS-JOACHIM
分类号	F24F13/00;(IPC1-7):F24F13/00	主分类号	F24F13/00
代理机构		代理人
主权项
地址

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