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发明名称
Improvements in or relating to the extrusion of metal
摘要
申请公布号
GB536606(A)
申请公布日期
1941.05.21
申请号
GB19390025760
申请日期
1939.09.13
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
B21C25/08
主分类号
B21C25/08
代理机构
代理人
主权项
地址
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