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发明名称
Writing instrument
摘要
申请公布号
US2831460(A)
申请公布日期
1958.04.22
申请号
US19540433542
申请日期
1954.06.01
申请人
W. A. SHEAFFER PEN COMPANY
发明人
BRANNON ROLAND L.
分类号
B43K5/04
主分类号
B43K5/04
代理机构
代理人
主权项
地址
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