이중관 펜촉 만년필,申请号KR19810004896-传众专利搜索

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发明名称	이중관 펜촉 만년필
摘要	내용 없음
申请公布号	KR830007310(A)	申请公布日期	1983.10.19
申请号	KR19810004896	申请日期	1981.12.14
申请人	변상복	发明人	변상복
分类号	B43K1/06;B43K5/00;B43K17/00	主分类号	B43K1/06
代理机构		代理人
主权项
地址

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