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发明名称
PRESSURE CONTROL DEVICE IN DRAIN PUMP-UP SYSTEM FOR SUPPLY WATER HEATER
摘要
申请公布号
JPH02217702(A)
申请公布日期
1990.08.30
申请号
JP19890036067
申请日期
1989.02.17
申请人
TOSHIBA CORP
发明人
NAKAO KAZU
分类号
F22D11/00
主分类号
F22D11/00
代理机构
代理人
主权项
地址
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