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发明名称
Improvements in or relating to central heating systems
摘要
申请公布号
GB2220260(A)
申请公布日期
1990.01.04
申请号
GB19880013253
申请日期
1988.06.04
申请人
* BOYDSLAW
发明人
ALASTAIR IAN * MORRISON
分类号
F24D12/02;F24H1/22
主分类号
F24D12/02
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代理人
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