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经营范围
发明名称
Improvements in and relating to the separation of dry materials
摘要
申请公布号
GB358986(A)
申请公布日期
1931.10.12
申请号
GB19300011512
申请日期
1930.04.11
申请人
IVOR LLOYD BRAMWELL;THE BIRTLEY IRON COMPANY LIMITED
发明人
分类号
B03B4/04
主分类号
B03B4/04
代理机构
代理人
主权项
地址
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