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经营范围
发明名称
Air conditioning system
摘要
申请公布号
US2251376(A)
申请公布日期
1941.08.05
申请号
US19370159951
申请日期
1937.08.19
申请人
ROSS OSCAR A
发明人
ROSS OSCAR A.
分类号
B61D27/00
主分类号
B61D27/00
代理机构
代理人
主权项
地址
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