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发明名称
Tree and plant protector
摘要
申请公布号
US2170589(A)
申请公布日期
1939.08.22
申请号
US19370153641
申请日期
1937.07.14
申请人
ERICKSON ANDREW J
发明人
ERICKSON ANDREW J.
分类号
A01M1/18;A01M1/20
主分类号
A01M1/18
代理机构
代理人
主权项
地址
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