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发明名称
Improvements in metal rolling
摘要
申请公布号
GB520920(A)
申请公布日期
1940.05.07
申请号
GB19380037093
申请日期
1938.12.20
申请人
JOHN HOUSSMAN
发明人
分类号
B21B1/06;B21B1/24;B21B27/02;B21B37/30
主分类号
B21B1/06
代理机构
代理人
主权项
地址
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