,申请号NL19720002917-传众专利搜索

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发明名称
摘要
申请公布号	NL7202917(A)	申请公布日期	1972.09.06
申请号	NL19720002917	申请日期	1972.03.06
申请人		发明人
分类号	F16K1/40;F16K31/365;F16K47/12;(IPC1-7):F16K47/12;F16K31/36;F16K47/00	主分类号	F16K1/40
代理机构		代理人
主权项
地址

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