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发明名称
Dispositif pour mécanisme d'instrument d'écriture à bille
摘要
申请公布号
FR1257946(A)
申请公布日期
1961.04.07
申请号
FR19600826864
申请日期
1960.05.11
申请人
BALLOGRAF-VERKEN AB
发明人
分类号
B43K7/12
主分类号
B43K7/12
代理机构
代理人
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