PORTABLE STEPS,申请号GB19790031069-传众专利搜索

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发明名称	PORTABLE STEPS
摘要
申请公布号	GB2057545(B)	申请公布日期	1983.05.25
申请号	GB19790031069	申请日期	1979.09.07
申请人	CHINN N J L	发明人
分类号	E06C1/397;(IPC1-7):E06C1/39	主分类号	E06C1/397
代理机构		代理人
主权项
地址

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