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发明名称
LEAD EXCHANGING SUPPLYING DEVICE FOR DRAWING INSTRUMENT
摘要
申请公布号
JPS57138997(A)
申请公布日期
1982.08.27
申请号
JP19810023106
申请日期
1981.02.20
申请人
HITACHI SEIKO KK
发明人
TSUCHIYA AKIRA;KANETANI YASUHIKO;NAGAOKA OSAMU
分类号
B43L13/00;B43L13/02
主分类号
B43L13/00
代理机构
代理人
主权项
地址
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