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发明名称
Off-peak water heating system
摘要
申请公布号
US2266210(A)
申请公布日期
1941.12.16
申请号
US19400360888
申请日期
1940.10.12
申请人
MCGRAW ELECTRIC COMPANY
发明人
JULIAN ARTHUR E.;OSTERHELD CLARK M.
分类号
G05D23/275
主分类号
G05D23/275
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