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发明名称
Improvements in or relating to the production of hollow bodies
摘要
申请公布号
GB797667(A)
申请公布日期
1958.07.09
申请号
GB19540031656
申请日期
1954.11.02
申请人
THE BRITISH IRON AND STEEL RESEARCH ASSOCIATION
发明人
EBORALL FRANK EDWARD
分类号
B21C23/01;B21K3/04
主分类号
B21C23/01
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代理人
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