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发明名称
Writing instruments
摘要
申请公布号
US2996044(A)
申请公布日期
1961.08.15
申请号
US19570683288
申请日期
1957.09.11
申请人
THE PARKER PEN COMPANY
发明人
PARKER KENNETH
分类号
B43K5/18;B43K23/004
主分类号
B43K5/18
代理机构
代理人
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地址
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