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发明名称
Improvements in or relating to domestic hot water boilers
摘要
申请公布号
GB820210(A)
申请公布日期
1959.09.16
申请号
GB19550033790
申请日期
1955.11.25
申请人
RONALD WALKER
发明人
分类号
F24B1/183;F24C13/00
主分类号
F24B1/183
代理机构
代理人
主权项
地址
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