전화교환대의 보안기용 피뢰관,申请号KR19820005046U-传众专利搜索

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发明名称	전화교환대의 보안기용 피뢰관
摘要	<p>내용 없음.</p>
申请公布号	KR830003079(Y1)	申请公布日期	1983.12.30
申请号	KR19820005046U	申请日期	1982.06.28
申请人	null, null	发明人	강형원
分类号	H02H9/06	主分类号	H02H9/06
代理机构		代理人
主权项
地址

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