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经营范围
发明名称
Self-feeding water heaters and boilers
摘要
申请公布号
US3139084(A)
申请公布日期
1964.06.30
申请号
US19610089513
申请日期
1961.02.15
申请人
GEORGE PEARSON
发明人
PEARSON GEORGE
分类号
F24H9/12
主分类号
F24H9/12
代理机构
代理人
主权项
地址
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