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发明名称
Piston fountain pen
摘要
申请公布号
US2070461(A)
申请公布日期
1937.02.09
申请号
US19350031566
申请日期
1935.07.16
申请人
THE NAMIKI MANUFACTURING COMPANY LIMITED
发明人
WATANABE ASAHI
分类号
B43K5/06
主分类号
B43K5/06
代理机构
代理人
主权项
地址
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