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经营范围
发明名称
Air conditioning
摘要
申请公布号
US1974244(A)
申请公布日期
1934.09.18
申请号
US19310584250
申请日期
1931.12.31
申请人
LAPP WILLIAM H
发明人
LAPP WILLIAM H.
分类号
F24F5/00
主分类号
F24F5/00
代理机构
代理人
主权项
地址
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