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发明名称
Lister
摘要
申请公布号
US2629351(A)
申请公布日期
1953.02.24
申请号
US19460709560
申请日期
1946.11.13
申请人
LEE WENGER
发明人
WENGER LEE
分类号
A01C7/08
主分类号
A01C7/08
代理机构
代理人
主权项
地址
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