ADJUSTABLE STAIR ASSEMBLY,申请号USD3713511-传众专利搜索

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发明名称	ADJUSTABLE STAIR ASSEMBLY
摘要
申请公布号	US3713511(A)	申请公布日期	1973.01.30
申请号	USD3713511	申请日期	1971.06.14
申请人	HINKLE L,US	发明人	HINKLE L,US
分类号	E06C9/06;(IPC1-7):E06C9/10	主分类号	E06C9/06
代理机构		代理人
主权项
地址

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