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发明名称
Apparatus for forming a work piece into an inner portion and an outer remainder having a predetermined volumetric relationship to the inner portion
摘要
申请公布号
US3234775(A)
申请公布日期
1966.02.15
申请号
US19610162000
申请日期
1961.12.26
申请人
AKTIEBOLAGET SVENSKA KULLAGERFABRIKEN
发明人
DERMAN KARL GUSTAV EINAR
分类号
B21K1/04
主分类号
B21K1/04
代理机构
代理人
主权项
地址
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