Cylinder head coring,申请号US19530398805-传众专利搜索

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发明名称	Cylinder head coring
摘要
申请公布号	US2820267(A)	申请公布日期	1958.01.21
申请号	US19530398805	申请日期	1953.12.17
申请人	GENERAL MOTORS CORPORATION	发明人	LEACH CLAYTON B.
分类号	B22C9/10	主分类号	B22C9/10
代理机构		代理人
主权项
地址

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