A FLOW CUT-OFF DEVICE FOR INSERTION IN A GAS DUCT,申请号HK19790000698-传众专利搜索

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发明名称	A FLOW CUT-OFF DEVICE FOR INSERTION IN A GAS DUCT
摘要
申请公布号	HK69879(A)	申请公布日期	1979.10.12
申请号	HK19790000698	申请日期	1979.10.04
申请人	CHAN KWAN SHIU	发明人	LEUNG WING KWONG
分类号	F16K5/04;F16K17/28;(IPC1-7):F16K17/28	主分类号	F16K5/04
代理机构		代理人
主权项
地址

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