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经营范围
发明名称
Improvements in electric heaters or boilers for water and other liquids
摘要
申请公布号
GB448436(A)
申请公布日期
1936.06.08
申请号
GB19340035015
申请日期
1934.12.06
申请人
JOHN WILLIAM WOOLLEY
发明人
分类号
F22B1/30
主分类号
F22B1/30
代理机构
代理人
主权项
地址
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