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发明名称
Lister
摘要
申请公布号
US1814848(A)
申请公布日期
1931.07.14
申请号
US19300482253
申请日期
1930.09.16
申请人
PEACOCK CHARLES T
发明人
PEACOCK CHARLES T.
分类号
A01B13/16
主分类号
A01B13/16
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