Stepladder guard attachment,申请号US19430515351-传众专利搜索

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发明名称	Stepladder guard attachment
摘要
申请公布号	US2423477(A)	申请公布日期	1947.07.08
申请号	US19430515351	申请日期	1943.12.23
申请人	GASTON BRIMBOEUF	发明人	BRIMBOEUF GASTON
分类号	E06C1/20;E06C1/22;E06C7/18	主分类号	E06C1/20
代理机构		代理人
主权项
地址

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