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发明名称
Procédé pour la réalisation de manchons fendus en acier avec élasticité élevée
摘要
申请公布号
FR884339(A)
申请公布日期
1943.08.10
申请号
FRD884339
申请日期
1942.07.22
申请人
WILHELM HEDTMANN
发明人
分类号
C22C38/04
主分类号
C22C38/04
代理机构
代理人
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