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发明名称
Wechselschreibstift.
摘要
申请公布号
CH271666(A)
申请公布日期
1950.11.15
申请号
CHD271666
申请日期
1949.03.16
申请人
FIRMA: AUGUST WILHELM AUGENSTEIN
发明人
AUGENSTEIN FIRMA: AUGUST WILHELM
分类号
B43K24/12
主分类号
B43K24/12
代理机构
代理人
主权项
地址
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