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经营范围
发明名称
NEGATIVE PRESSURE PREVENTION DEVICE OF BOILER
摘要
申请公布号
KR950008579(Y1)
申请公布日期
1995.10.11
申请号
KR19920009024U
申请日期
1992.05.25
申请人
RINNAI CO., LTD.
发明人
SHIBAYAMA, YOSHINO
分类号
F24H9/20;(IPC1-7):F24H9/20
主分类号
F24H9/20
代理机构
代理人
主权项
地址
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