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发明名称
Tree support
摘要
申请公布号
US2501255(A)
申请公布日期
1950.03.21
申请号
US19460667576
申请日期
1946.05.06
申请人
BELL RUSSELL O
发明人
BELL RUSSELL O.
分类号
A01G17/10
主分类号
A01G17/10
代理机构
代理人
主权项
地址
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