Package unloading device,申请号US19420453209-传众专利搜索

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发明名称	Package unloading device
摘要
申请公布号	US2426993(A)	申请公布日期	1947.09.09
申请号	US19420453209	申请日期	1942.08.01
申请人	FREEMAN ROBERT M	发明人	FREEMAN ROBERT M.
分类号	F42B39/10	主分类号	F42B39/10
代理机构		代理人
主权项
地址

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