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发明名称
Writing instrument
摘要
申请公布号
US2593366(A)
申请公布日期
1952.04.15
申请号
US19460682712
申请日期
1946.07.10
申请人
BROWN & BIGELOW
发明人
THULL JOHN F.
分类号
B43K24/08
主分类号
B43K24/08
代理机构
代理人
主权项
地址
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