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发明名称
WRITING IMPLEMENTS
摘要
申请公布号
CA561826(A)
申请公布日期
1958.08.12
申请号
CAD561826
申请日期
申请人
W. A. SHEAFFER PEN COMPANY
发明人
LYNN P. MARTIN
分类号
主分类号
代理机构
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