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经营范围
发明名称
Improvements in or relating to a bimetallic billet and product
摘要
申请公布号
GB680801(A)
申请公布日期
1952.10.15
申请号
GB19480030274
申请日期
1948.11.22
申请人
SUPERIOR STEEL CORPORATION
发明人
分类号
B32B15/01
主分类号
B32B15/01
代理机构
代理人
主权项
地址
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