DUCT JOINTING DEVICES,申请号GB19890004171-传众专利搜索

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发明名称	DUCT JOINTING DEVICES
摘要
申请公布号	GB8904171(D0)	申请公布日期	1989.04.05
申请号	GB19890004171	申请日期	1989.02.23
申请人	FIRMAC LIMITED	发明人
分类号	F16L23/14	主分类号	F16L23/14
代理机构		代理人
主权项
地址

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