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发明名称
Wechselschreibstift.
摘要
申请公布号
CH264328(A)
申请公布日期
1949.10.15
申请号
CHD264328
申请日期
1948.03.27
申请人
MOSER,HEINRICH
发明人
MOSER,HEINRICH
分类号
B43K24/12
主分类号
B43K24/12
代理机构
代理人
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