HOLLOW DRILL ASSEMBLY,申请号CAD497603-传众专利搜索

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发明名称	HOLLOW DRILL ASSEMBLY
摘要
申请公布号	CA497603(A)	申请公布日期	1953.11.10
申请号	CAD497603	申请日期
申请人	HARRIS-SEYBOLD COMPANY	发明人	WILLIAM R. SPILLER
分类号		主分类号
代理机构		代理人
主权项
地址

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