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发明名称
Tower packing
摘要
申请公布号
US2198861(A)
申请公布日期
1940.04.30
申请号
US19390258976
申请日期
1939.02.28
申请人
UNITED STATES STONEWARE COMPANY
发明人
CHAMBERLAIN JAMES M. W.;BURNIP HAROLD A.
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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