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发明名称
ROTARY KNOCK TYPE MECHANICAL PENCIL
摘要
申请公布号
EP0271249(B1)
申请公布日期
1992.06.10
申请号
EP19870310356
申请日期
1987.11.24
申请人
A.T. CROSS COMPANY;KOTOBUKI & CO., LTD.
发明人
LOZEAU, ROBERT V.;KAGEYAMA, HIDEHEI C/O KOTOBUKI & CO. LTD.
分类号
B43K21/20;B43K21/00;B43K21/027;B43K24/06
主分类号
B43K21/20
代理机构
代理人
主权项
地址
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