Sealing means and method for spark plugs,申请号US19440551118-传众专利搜索

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发明名称	Sealing means and method for spark plugs
摘要
申请公布号	US2469211(A)	申请公布日期	1949.05.03
申请号	US19440551118	申请日期	1944.08.25
申请人	GENERAL MOTORS CORPORATION	发明人	SCHWARTZWALDER KARL;SCHAEFER CARL F.
分类号	H01T13/36	主分类号	H01T13/36
代理机构		代理人
主权项
地址

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