Method of assembling cage tops,申请号US19290412302-传众专利搜索

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发明名称	Method of assembling cage tops
摘要
申请公布号	US1815982(A)	申请公布日期	1931.07.28
申请号	US19290412302	申请日期	1929.12.07
申请人	LITTLE EARL W	发明人	LITTLE EARL W.
分类号	B21F27/12	主分类号	B21F27/12
代理机构		代理人
主权项
地址

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