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经营范围
发明名称
Improvements in or relating to presses for the continuous extrusion of tubes
摘要
申请公布号
GB659975(A)
申请公布日期
1951.10.31
申请号
GB19490025256
申请日期
1949.09.30
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
分类号
B21C23/30
主分类号
B21C23/30
代理机构
代理人
主权项
地址
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