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发明名称
THREE-PASS FIRE-TUBE BOILER
摘要
申请公布号
PL119688(B1)
申请公布日期
1982.01.30
申请号
PL19790212670
申请日期
1979.01.08
申请人
发明人
分类号
F22B;F22B7/12;(IPC1-7):F22B7/12
主分类号
F22B
代理机构
代理人
主权项
地址
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