Spark plug for internal combustion engines,申请号US19400315307-传众专利搜索

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发明名称	Spark plug for internal combustion engines
摘要
申请公布号	US2209621(A)	申请公布日期	1940.07.30
申请号	US19400315307	申请日期	1940.01.24
申请人	CARTER JOHN C	发明人	CARTER JOHN C.
分类号	H01T13/08	主分类号	H01T13/08
代理机构		代理人
主权项
地址

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