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发明名称
Roehrenwaermeaustauscher
摘要
申请公布号
DE533780(C)
申请公布日期
1931.09.18
申请号
DE1927S079260D
申请日期
1927.04.15
申请人
HANS SIMMON
发明人
分类号
F22D1/22
主分类号
F22D1/22
代理机构
代理人
主权项
地址
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