A device for assisting passage along a walkway,申请号GB19940018523-传众专利搜索

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发明名称	A device for assisting passage along a walkway
摘要
申请公布号	GB9418523(D0)	申请公布日期	1994.11.02
申请号	GB19940018523	申请日期	1994.09.14
申请人	RICHARD BURBIDGE LIMITED	发明人
分类号	E04F11/18	主分类号	E04F11/18
代理机构		代理人
主权项
地址

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