Scaffold board and ladder,申请号US19360100342-传众专利搜索

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法人/股东/高管

发明名称	Scaffold board and ladder
摘要
申请公布号	US2118585(A)	申请公布日期	1938.05.24
申请号	US19360100342	申请日期	1936.09.11
申请人	CARL ALBER	发明人	ALBER CARL
分类号	E06C1/20;E06C7/48	主分类号	E06C1/20
代理机构		代理人
主权项
地址

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