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发明名称
METHOD OF FIXING INTERMEDIATE LEAD IN BALL PEN TIP
摘要
申请公布号
JPH01135697(A)
申请公布日期
1989.05.29
申请号
JP19870295470
申请日期
1987.11.24
申请人
MITSUBISHI PENCIL CO LTD
发明人
YONEYAMA KAZUO
分类号
B43K7/10
主分类号
B43K7/10
代理机构
代理人
主权项
地址
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