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发明名称
RESERVOIR WRITING INSTRUMENTS
摘要
申请公布号
CA527952(A)
申请公布日期
1956.07.17
申请号
CAD527952
申请日期
申请人
EVERSHARP INTERNATIONAL
发明人
PAUL O. ROSIN
分类号
主分类号
代理机构
代理人
主权项
地址
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