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发明名称
Process of and apparatus for treating materials
摘要
申请公布号
US2088624(A)
申请公布日期
1937.08.03
申请号
US19300468969
申请日期
1930.07.18
申请人
发明人
TSCHUDY FREDERICK
分类号
B03D1/24
主分类号
B03D1/24
代理机构
代理人
主权项
地址
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