AIR ADMITTING AND VENTING VALVE WITH ORIFICE PLATE,申请号PL19890279696-传众专利搜索

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发明名称	AIR ADMITTING AND VENTING VALVE WITH ORIFICE PLATE
摘要
申请公布号	PL279696(A1)	申请公布日期	1991.01.14
申请号	PL19890279696	申请日期	1989.05.24
申请人	MAKOWSKI JAN	发明人	MAKOWSKI JAN
分类号	F16K;(IPC1-7):F16K/	主分类号	F16K
代理机构		代理人
主权项
地址

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