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发明名称
PENCIL WITH EXTENDABLE LEAD
摘要
申请公布号
PL248155(A1)
申请公布日期
1985.12.17
申请号
PL19840248155
申请日期
1984.06.11
申请人
WOJEWODZKI ZWIAZEK KOLEK I ORG
发明人
KUROCZYCKI WITOLD
分类号
B43K;(IPC1-7):B43K/
主分类号
B43K
代理机构
代理人
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