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发明名称
Verfahren und Vorrichtung zur Herstellung von Masken aus Leder oder lederähnlichen Kunstmaterialien in Ziehformen.
摘要
申请公布号
CH181022(A)
申请公布日期
1935.11.30
申请号
CHD181022
申请日期
1935.02.20
申请人
DRAEGER,OTTO HEINRICH,DR.
发明人
HEINRICH,DR. DRAEGER,OTTO
分类号
主分类号
代理机构
代理人
主权项
地址
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