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发明名称
METHOD OF MANUFACTURING PENCIL
摘要
申请公布号
JPS5251222(A)
申请公布日期
1977.04.25
申请号
JP19750126761
申请日期
1975.10.21
申请人
SAKURA COLOR PROD CORP
发明人
SAKAI HITOSHI
分类号
C09D13/00;H01F1/08
主分类号
C09D13/00
代理机构
代理人
主权项
地址
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