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发明名称
MARKING INSTRUMENT
摘要
申请公布号
CA718139(A)
申请公布日期
1965.09.21
申请号
CAD718139
申请日期
申请人
THE ESTERBROOK PEN COMPANY
发明人
HAROLD E. STEINBERG;FRANK W. ROLLER, SR.
分类号
主分类号
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