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经营范围
发明名称
Improvements in or relating to bubble plate columns
摘要
申请公布号
GB1143131(A)
申请公布日期
1969.02.19
申请号
GB19660012657
申请日期
1966.03.22
申请人
HERMANN STAGE
发明人
分类号
B01D3/20
主分类号
B01D3/20
代理机构
代理人
主权项
地址
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