구멍탄 토관 제조방법,申请号KR19830001704-传众专利搜索

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发明名称	구멍탄 토관 제조방법
摘要	<p>내용 없음</p>
申请公布号	KR840009041(A)	申请公布日期	1984.12.24
申请号	KR19830001704	申请日期	1983.04.22
申请人	하영국	发明人	하영국 (외 1)
分类号		主分类号
代理机构		代理人
主权项
地址

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