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发明名称
Improvements in vertical retorts for zinc smelting
摘要
申请公布号
GB557663(A)
申请公布日期
1943.11.30
申请号
GB19420015015
申请日期
1942.10.26
申请人
THE NATIONAL SMELTING COMPANY LIMITED
发明人
分类号
C22B19/04;C22B19/14;C22B19/16
主分类号
C22B19/04
代理机构
代理人
主权项
地址
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