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发明名称
Leakproof ink tube for ball point pen
摘要
申请公布号
US2871824(A)
申请公布日期
1959.02.03
申请号
US19570677059
申请日期
1957.08.08
申请人
SCRIPTO, INC.
发明人
SAMS HERBERT W.
分类号
B43K7/08
主分类号
B43K7/08
代理机构
代理人
主权项
地址
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