Stepladder,申请号US19460701504-传众专利搜索

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法人/股东/高管

发明名称	Stepladder
摘要
申请公布号	US2522336(A)	申请公布日期	1950.09.12
申请号	US19460701504	申请日期	1946.10.05
申请人	ERLAND ANDERSON NILS	发明人	ANDERSON NILS ERLAND
分类号	E06C1/387	主分类号	E06C1/387
代理机构		代理人
主权项
地址

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