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摘要
申请公布号
US1980307(A)
申请公布日期
1934.11.13
申请号
US19310548196
申请日期
1931.07.01
申请人
CRIBBEN & SEXTON COMPANY
发明人
WILKINSON GEORGE D.;PELLEGRIN ELMER D.
分类号
F24C3/12;F24C15/12;F24C15/16;F24C15/32
主分类号
F24C3/12
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