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经营范围
发明名称
Heat exchanging system
摘要
申请公布号
US2143873(A)
申请公布日期
1939.01.17
申请号
US19350056945
申请日期
1935.12.31
申请人
GAUDIN JOHN B
发明人
GAUDIN JOHN B.
分类号
F28D1/053;F28F1/24
主分类号
F28D1/053
代理机构
代理人
主权项
地址
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