LADDER,申请号CAD337649-传众专利搜索

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发明名称	LADDER
摘要
申请公布号	CA337649(A)	申请公布日期	1933.12.05
申请号	CAD337649	申请日期
申请人	THE J. R. CLARK COMPANY	发明人	JOHN E. KALGREN
分类号		主分类号
代理机构		代理人
主权项
地址

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