Adjustable ladder leg,申请号US19440544386-传众专利搜索

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发明名称	Adjustable ladder leg
摘要
申请公布号	US2366829(A)	申请公布日期	1945.01.09
申请号	US19440544386	申请日期	1944.07.11
申请人	ARTHUR BIERY	发明人	BIERY ARTHUR
分类号	E06C7/44	主分类号	E06C7/44
代理机构		代理人
主权项
地址

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