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经营范围
发明名称
Frost preventer
摘要
申请公布号
US2972208(A)
申请公布日期
1961.02.21
申请号
US19580778714
申请日期
1958.12.08
申请人
MARTIN HOWARD H
发明人
MARTIN HOWARD H.
分类号
A01G13/06
主分类号
A01G13/06
代理机构
代理人
主权项
地址
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