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发明名称
Tree girdling tool
摘要
申请公布号
US2855724(A)
申请公布日期
1958.10.14
申请号
US19570684878
申请日期
1957.09.19
申请人
GRAVES JOHN B
发明人
GRAVES JOHN B.
分类号
A01G3/00
主分类号
A01G3/00
代理机构
代理人
主权项
地址
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