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发明名称
Improvements in or relating to the manufacture of composite wires, rods or bars
摘要
申请公布号
GB488022(A)
申请公布日期
1938.06.29
申请号
GB19380015153
申请日期
1936.12.31
申请人
OTTO KAMPS
发明人
分类号
B21C23/22
主分类号
B21C23/22
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代理人
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