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发明名称
EXTENDING & RETRACTING WRITING MEMBERS OF WRITING INSTRUMENTS
摘要
申请公布号
GB8714795(D0)
申请公布日期
1987.07.29
申请号
GB19870014795
申请日期
1987.06.24
申请人
PILOT INK CO LTD
发明人
分类号
B43K24/08;B43K25/02;(IPC1-7):A01G23/00
主分类号
B43K24/08
代理机构
代理人
主权项
地址
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