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经营范围
发明名称
Heat exchange apparatus
摘要
申请公布号
US2004469(A)
申请公布日期
1935.06.11
申请号
US19290406770
申请日期
1929.11.13
申请人
LEACH CHARLES H
发明人
LEACH CHARLES H.
分类号
F28B1/00
主分类号
F28B1/00
代理机构
代理人
主权项
地址
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