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发明名称
WRITING INSTRUMENTS
摘要
申请公布号
CA892719(A)
申请公布日期
1972.02.08
申请号
CAD892719
申请日期
申请人
PENN CORPORATION
发明人
HAROLD E. KOELN
分类号
B43K7/12;B43K24/16;(IPC1-7):B43K7/12
主分类号
B43K7/12
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