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经营范围
发明名称
Improvements in or relating to reservoir pens
摘要
申请公布号
GB404266(A)
申请公布日期
1934.01.11
申请号
GB19320010015
申请日期
1932.04.07
申请人
JAROSLAV ZAHEL
发明人
分类号
B43K5/00
主分类号
B43K5/00
代理机构
代理人
主权项
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