Gathering organization for loading machines,申请号US19330682419-传众专利搜索

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发明名称	Gathering organization for loading machines
摘要
申请公布号	US1945340(A)	申请公布日期	1934.01.30
申请号	US19330682419	申请日期	1933.07.27
申请人	JOY MANUFACTURING COMPANY	发明人	ARENTZEN EINAR M.
分类号	E21D9/12	主分类号	E21D9/12
代理机构		代理人
主权项
地址

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