VENTIL,申请号DD19810231245-传众专利搜索

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发明名称	VENTIL
摘要
申请公布号	DD160073(A5)	申请公布日期	1983.04.27
申请号	DD19810231245	申请日期	1981.06.29
申请人	BEY,ROGER,FR	发明人	BEY,ROGER,FR
分类号	F16K1/22;F16K47/02;F16K47/04;(IPC1-7):F16K1/18	主分类号	F16K1/22
代理机构		代理人
主权项
地址

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