Spark plug and method of making same,申请号US19470763530-传众专利搜索

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发明名称	Spark plug and method of making same
摘要
申请公布号	US2542903(A)	申请公布日期	1951.02.20
申请号	US19470763530	申请日期	1947.07.25
申请人	CHESTER CIPRIANI	发明人	CIPRIANI CHESTER
分类号	H01T13/12	主分类号	H01T13/12
代理机构		代理人
主权项
地址

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