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经营范围
发明名称
Off-peak water heating system
摘要
申请公布号
US2266146(A)
申请公布日期
1941.12.16
申请号
US19400361510
申请日期
1940.10.17
申请人
MCGRAW ELECTRIC COMPANY
发明人
BIEBEL HERMAN M.
分类号
G05D23/275
主分类号
G05D23/275
代理机构
代理人
主权项
地址
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