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发明名称
Schreibgerät mit Verschluss für die Schreibstift-Austrittsöffnung.
摘要
申请公布号
CH286888(A)
申请公布日期
1952.11.15
申请号
CHD286888
申请日期
1950.11.13
申请人
LANG,FRANTISEK
发明人
LANG,FRANTISEK
分类号
B43K7/12;B43K8/02;B43K8/24;B43K24/08
主分类号
B43K7/12
代理机构
代理人
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