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发明名称
Electric grid floor heating system
摘要
申请公布号
US3223825(A)
申请公布日期
1965.12.14
申请号
US19580722971
申请日期
1958.03.21
申请人
WILLIAMS CHESTER I
发明人
WILLIAMS CHESTER I.
分类号
E01C11/26;F24D13/02;H05B3/28
主分类号
E01C11/26
代理机构
代理人
主权项
地址
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