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经营范围
发明名称
Waermeaustauschvorrichtung
摘要
申请公布号
DE694483(C)
申请公布日期
1940.08.02
申请号
DE193801B2328D
申请日期
1938.03.12
申请人
STEPHAN BECK
发明人
BECK STEPHAN
分类号
F28D1/053
主分类号
F28D1/053
代理机构
代理人
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地址
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