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发明名称
WRITING INSTRUMENT
摘要
申请公布号
CA850859(A)
申请公布日期
1970.09.08
申请号
CAD850859
申请日期
申请人
VENUS ESTERBROOK CORPORATION
发明人
FRANK W. ROLLER, SR.
分类号
主分类号
代理机构
代理人
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