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发明名称
Countercurrent condenser
摘要
申请公布号
US2147876(A)
申请公布日期
1939.02.21
申请号
US19370159064
申请日期
1937.08.14
申请人
BAUMANN ARNOLD W
发明人
BAUMANN ARNOLD W.
分类号
F28B3/00
主分类号
F28B3/00
代理机构
代理人
主权项
地址
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