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发明名称
VENT VALVE FOR BOILER
摘要
申请公布号
JPS6338777(A)
申请公布日期
1988.02.19
申请号
JP19860182618
申请日期
1986.08.05
申请人
BABU HITACHI ENG SERVICE KK
发明人
EZAKA SHIGERU
分类号
F16K24/00;F16K17/34;F22B37/42;F22B37/44
主分类号
F16K24/00
代理机构
代理人
主权项
地址
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