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发明名称
Alternate push retractable ball pen having double rocking latch mechanism
摘要
申请公布号
US2898886(A)
申请公布日期
1959.08.11
申请号
US19570651648
申请日期
1957.04.09
申请人
SCRIPTO, INC.
发明人
LOCKWOOD JOHN C.
分类号
B43K24/08
主分类号
B43K24/08
代理机构
代理人
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地址
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