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经营范围
发明名称
Plateau de barbotage à conduits de gaz variables
摘要
申请公布号
FR1407337(A)
申请公布日期
1965.07.30
申请号
FR19640982761
申请日期
1964.07.23
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.
发明人
分类号
B01D3/16
主分类号
B01D3/16
代理机构
代理人
主权项
地址
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