Improvements in spark plugs,申请号GB19290034292-传众专利搜索

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发明名称	Improvements in spark plugs
摘要
申请公布号	GB348626(A)	申请公布日期	1931.05.05
申请号	GB19290034292	申请日期	1929.11.09
申请人	AC SPARK PLUG COMPANY	发明人
分类号	H01T21/02	主分类号	H01T21/02
代理机构		代理人
主权项
地址

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