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经营范围
发明名称
BALL PEN
摘要
申请公布号
PL155925(B1)
申请公布日期
1992.01.31
申请号
PL19880271590
申请日期
1988.03.31
申请人
发明人
分类号
B43K;B43K7/00;(IPC1-7):B43K7/00
主分类号
B43K
代理机构
代理人
主权项
地址
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