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经营范围
发明名称
Air cooler
摘要
申请公布号
US2512198(A)
申请公布日期
1950.06.20
申请号
US19460677255
申请日期
1946.06.17
申请人
DAVIDSON MEAD B
发明人
DAVIDSON MEAD B.
分类号
B60H1/32
主分类号
B60H1/32
代理机构
代理人
主权项
地址
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