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发明名称
ELECTRIC COMBINATION BOILER
摘要
申请公布号
GB9121618(D0)
申请公布日期
1991.11.27
申请号
GB19910021618
申请日期
1991.10.11
申请人
HEPBURN, GEORGE J
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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