Stepladder, trestle, and the like,申请号US19440541588-传众专利搜索

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法人/股东/高管

发明名称	Stepladder, trestle, and the like
摘要
申请公布号	US2391216(A)	申请公布日期	1945.12.18
申请号	US19440541588	申请日期	1944.06.22
申请人	JOHN ALLAN	发明人	ALLAN JOHN
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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