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发明名称
Carpenter's pencil retracting device
摘要
A retractable pencil
申请公布号
US2002005163(A1)
申请公布日期
2002.01.17
申请号
US20010899389
申请日期
2001.07.05
申请人
SAWYER DENNIS
发明人
SAWYER DENNIS
分类号
B43K23/00;(IPC1-7):B05C1/00
主分类号
B43K23/00
代理机构
代理人
主权项
地址
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