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经营范围
发明名称
Improvements in or relating to a rotary tubular heat-exchanging apparatus
摘要
申请公布号
GB383740(A)
申请公布日期
1932.11.24
申请号
GB19310031397
申请日期
1931.11.12
申请人
HANS SIMMON
发明人
分类号
F28D11/04
主分类号
F28D11/04
代理机构
代理人
主权项
地址
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