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经营范围
发明名称
Improvements in or relating to electric space heating and electric heating elements
摘要
申请公布号
GB838052(A)
申请公布日期
1960.06.22
申请号
GB19550014885
申请日期
1955.05.24
申请人
MURRAY BOLSER
发明人
分类号
E01C11/26
主分类号
E01C11/26
代理机构
代理人
主权项
地址
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