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经营范围
发明名称
Improvements in or relating to structural inserts for mass or heat exchanger columns
摘要
申请公布号
GB975481(A)
申请公布日期
1964.11.18
申请号
GB19630005860
申请日期
1963.02.13
申请人
OTTO MONTZ
发明人
分类号
B01J19/32;F28D7/16;F28F25/08
主分类号
B01J19/32
代理机构
代理人
主权项
地址
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