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发明名称
RETRACTABLE BALL-POINT PENS
摘要
申请公布号
GB1284294(A)
申请公布日期
1972.08.02
申请号
GB19690044335
申请日期
1969.09.08
申请人
DASHEN WANG
发明人
DASHEN WANG
分类号
B43K24/06;B43K27/08
主分类号
B43K24/06
代理机构
代理人
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地址
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