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发明名称
Improvements in and relating to the rolling of sheet metal
摘要
申请公布号
GB463920(A)
申请公布日期
1937.04.08
申请号
GB19360022129
申请日期
1936.08.11
申请人
LOUIS RENAULT
发明人
分类号
B21B1/36;B21B15/00
主分类号
B21B1/36
代理机构
代理人
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