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发明名称
PRODUCTION OF INGOTS HAVING CHANGES IN CROSS-SECTION ALONG THEIR LENGTHS
摘要
申请公布号
GB1249952(A)
申请公布日期
1971.10.13
申请号
GB19690055858
申请日期
1969.11.14
申请人
GEBR. BOEHLER & CO. AKTIENGESELLSCHAFT
发明人
分类号
C22B9/18
主分类号
C22B9/18
代理机构
代理人
主权项
地址
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