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发明名称
PROPELLING PENCIL
摘要
申请公布号
CZ9002679(A3)
申请公布日期
1993.02.17
申请号
CS19900002679
申请日期
1990.05.30
申请人
SHEU TYNG-JEN
发明人
SHEU TYNG-JEN
分类号
B43K21/06;B43K21/02;(IPC1-7):B43K21/06
主分类号
B43K21/06
代理机构
代理人
主权项
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