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发明名称
TRAY FOR CONTACTING LIQUIDS AND GASES
摘要
申请公布号
CA844588(A)
申请公布日期
1970.06.16
申请号
CAD844588
申请日期
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ, N.V.
发明人
WILLEM H. MANGER
分类号
主分类号
代理机构
代理人
主权项
地址
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