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发明名称
RETURN FLOW BOILERS
摘要
申请公布号
GB1284975(A)
申请公布日期
1972.08.09
申请号
GB19700018376
申请日期
1970.04.17
申请人
GOTAVERKENS ANGTEKNISKA AB
发明人
分类号
F22B9/04;F24H1/28
主分类号
F22B9/04
代理机构
代理人
主权项
地址
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