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发明名称
Kugelschreiber mit auf Zug beanspruchtem Rueckstellmittel
摘要
申请公布号
DE1289764(B)
申请公布日期
1969.02.20
申请号
DE1964B079120
申请日期
1964.10.29
申请人
BOOST, WERNER
发明人
分类号
B43K7/12
主分类号
B43K7/12
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代理人
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