,申请号PL19740175880-传众专利搜索

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发明名称
摘要
申请公布号	PL92005(B1)	申请公布日期	1977.03.31
申请号	PL19740175880	申请日期	1974.11.22
申请人		发明人
分类号	F16K3/12;(IPC1-7):F16K3/12	主分类号	F16K3/12
代理机构		代理人
主权项
地址

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