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发明名称
Extrusion device
摘要
申请公布号
US2025666(A)
申请公布日期
1935.12.24
申请号
US19330680020
申请日期
1933.07.12
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
HANFF FERDINAND
分类号
B21C25/06
主分类号
B21C25/06
代理机构
代理人
主权项
地址
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