Сверло для кольцевого сверления,申请号SU19530448301-传众专利搜索

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发明名称	Сверло для кольцевого сверления
摘要
申请公布号	SU98880(A1)	申请公布日期	1953.11.30
申请号	SU19530448301	申请日期	1953.09.08
申请人	IVANOV L.P.	发明人	IVANOV L.P.
分类号	B23B51/04	主分类号	B23B51/04
代理机构		代理人
主权项
地址

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