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经营范围
发明名称
Improvements in filling material or packing for absorption, washing or reaction towers, reflux condensers such as fractionating columns, or the like
摘要
申请公布号
GB374707(A)
申请公布日期
1932.06.16
申请号
GB19310024469
申请日期
1931.08.31
申请人
GEORGE HARRINGTON
发明人
分类号
B01J19/30
主分类号
B01J19/30
代理机构
代理人
主权项
地址
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