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发明名称
TEMPERATURE CONTROL FOR CENTRAL HEATING PLANTS
摘要
申请公布号
CA387361(A)
申请公布日期
1940.03.12
申请号
CAD387361
申请日期
申请人
PETTER HARTMANN-RIIS
发明人
PETTER HARTMANN-RIIS
分类号
主分类号
代理机构
代理人
主权项
地址
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