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发明名称
WRITING INSTRUMENT
摘要
申请公布号
CA453838(A)
申请公布日期
1949.01.04
申请号
CAD453838
申请日期
申请人
HENRY GEORGE MARTIN;EVERSHARP;ETERPEN SOCIEDAD ANONIMA FINANCIERA;TWOCO CORPORATION
发明人
LASZLO JOZSEF BIRO
分类号
主分类号
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