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发明名称
Waermeaustauscher mit in einem Gehaeuse umlaufender Hohlschnecke
摘要
申请公布号
DE638376(C)
申请公布日期
1936.11.14
申请号
DE1933H137421D
申请日期
1933.09.09
申请人
OTTO HARDUNG
发明人
分类号
F28D11/02
主分类号
F28D11/02
代理机构
代理人
主权项
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