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发明名称
Writing instrument
摘要
申请公布号
US3187724(A)
申请公布日期
1965.06.08
申请号
US19610082535
申请日期
1961.01.13
申请人
W. A. SHEAFFER PEN COMPANY
发明人
ZEPELL NATHAN ALTER
分类号
B43K5/16
主分类号
B43K5/16
代理机构
代理人
主权项
地址
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