INFLATABLE PIPE SHUTTER,申请号GB19870006969-传众专利搜索

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发明名称	INFLATABLE PIPE SHUTTER
摘要
申请公布号	GB8706969(D0)	申请公布日期	1987.04.29
申请号	GB19870006969	申请日期	1987.03.24
申请人	GALLAGHER, O G	发明人
分类号	E03F5/02;E04G15/06	主分类号	E03F5/02
代理机构		代理人
主权项
地址

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