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发明名称
Verfahren zum Herstellen eines hohlen Propellerflügels aus Metall, Ziehkörper zur Ausführung des Verfahrens und gemäss diesem Verfahren hergestellter hohler Propellerflügel.
摘要
申请公布号
CH228581(A)
申请公布日期
1943.08.31
申请号
CHD228581
申请日期
1942.07.30
申请人
HUEBSCH,MATTHIAS,DR.
发明人
HUEBSCH,MATTHIAS,DR.
分类号
B21D53/78
主分类号
B21D53/78
代理机构
代理人
主权项
地址
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