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发明名称
Recuperator construction
摘要
申请公布号
US1877599(A)
申请公布日期
1932.09.13
申请号
US19310507791
申请日期
1931.01.10
申请人
SCHWALBE FRANZ G
发明人
SCHWALBE FRANZ G.
分类号
F28F21/04
主分类号
F28F21/04
代理机构
代理人
主权项
地址
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