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摘要
申请公布号
US1966964(A)
申请公布日期
1934.07.17
申请号
US19300474528
申请日期
1930.08.11
申请人
KENNEDY LEO W
发明人
KENNEDY LEO W.
分类号
A47F3/12
主分类号
A47F3/12
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