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经营范围
发明名称
Improvements in or relating to boilers
摘要
申请公布号
GB1127380(A)
申请公布日期
1968.09.18
申请号
GB19670029956
申请日期
1967.06.28
申请人
发明人
分类号
F24D3/08;F24H1/12;F24H1/14;F24H1/40;F24H1/48
主分类号
F24D3/08
代理机构
代理人
主权项
地址
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