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发明名称
Improvements in or relating to water heaters
摘要
申请公布号
GB371515(A)
申请公布日期
1932.04.28
申请号
GB19310004923
申请日期
1931.02.16
申请人
EDWARD FRANCIS DAVIES;GLADYS ANNIE DAVIES
发明人
分类号
F24D1/00;F28D21/00
主分类号
F24D1/00
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代理人
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