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发明名称
Casing compositions
摘要
申请公布号
US2969795(A)
申请公布日期
1961.01.31
申请号
US19590835175
申请日期
1959.08.21
申请人
DEAN JR SIDNEY W
发明人
JR. SIDNEY W. DEAN,
分类号
A24B15/30
主分类号
A24B15/30
代理机构
代理人
主权项
地址
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笔用书写矫正仪
Membrane suitable for the dehydration of organic oxygenates.
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