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经营范围
发明名称
Air conditioning apparatus
摘要
申请公布号
US2250978(A)
申请公布日期
1941.07.29
申请号
US19380243160
申请日期
1938.11.30
申请人
ALLIN B. CROUCH
发明人
WELLAND ALFRED;ZWICKL JOSEPH R.
分类号
F24F1/02
主分类号
F24F1/02
代理机构
代理人
主权项
地址
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