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发明名称
Dispositif filtrant et doseur pour flacons, notamment pour flacons à encre stylographique
摘要
申请公布号
FR834747(A)
申请公布日期
1938.11.30
申请号
FRD834747
申请日期
1938.03.04
申请人
发明人
ROFFE LEON
分类号
B43L25/00
主分类号
B43L25/00
代理机构
代理人
主权项
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