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发明名称
Hat
摘要
申请公布号
US2578219(A)
申请公布日期
1951.12.11
申请号
US19490130482
申请日期
1949.12.01
申请人
BERRY JAMES H;BERRY MARGUERITE F
发明人
BERRY JAMES H.;BERRY MARGUERITE F.
分类号
A42B1/20
主分类号
A42B1/20
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