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摘要
申请公布号
US2087708(A)
申请公布日期
1937.07.20
申请号
US19350023278
申请日期
1935.05.24
申请人
TRINKLE DALLAS R
发明人
TRINKLE DALLAS R.
分类号
B01D29/00;B01D37/02
主分类号
B01D29/00
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