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发明名称
BOILER EFFICIENCY CALCULATING DEVICE
摘要
申请公布号
JPS5239001(A)
申请公布日期
1977.03.26
申请号
JP19750113647
申请日期
1975.09.22
申请人
HITACHI LTD
发明人
KAJI AKIRA
分类号
F22B37/38
主分类号
F22B37/38
代理机构
代理人
主权项
地址
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