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发明名称
MECHANICAL PENCIL
摘要
申请公布号
JPH04282300(A)
申请公布日期
1992.10.07
申请号
JP19910070623
申请日期
1991.03.11
申请人
PILOT PRECISION CO LTD
发明人
WATANABE HIROYUKI
分类号
B43K21/16
主分类号
B43K21/16
代理机构
代理人
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