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发明名称
Draft regulating means for heaters
摘要
申请公布号
US2362144(A)
申请公布日期
1944.11.07
申请号
US19400325021
申请日期
1940.03.20
申请人
FREDERICK MAHLSTEDT JOHN
发明人
MAHLSTEDT JOHN FREDERICK
分类号
A01G13/06
主分类号
A01G13/06
代理机构
代理人
主权项
地址
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