钢质两用梯,申请号CN91302824.X-传众专利搜索

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发明名称	钢质两用梯
摘要	打开后做单梯用状态参考图折拢后状态参考图
申请公布号	CN3014267S	申请公布日期	1992.07.01
申请号	CN91302824.X	申请日期	1991.11.16
申请人	嘉兴市大桥民政五金厂	发明人	友
分类号	25-04	主分类号	25-04
代理机构	浙江省专利事务所	代理人	孙家丰
主权项
地址	314006浙江省嘉兴市十八里桥东

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