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发明名称
SAFETY VALVE
摘要
申请公布号
SU646128(A2)
申请公布日期
1979.02.05
申请号
SU19772466498
申请日期
1977.03.28
申请人
BYKOV ALEKSANDR F,SU
发明人
BYKOV ALEKSANDR F,SU
分类号
F16K17/10;F16K17/04;(IPC1-7):F16K17/10
主分类号
F16K17/10
代理机构
代理人
主权项
地址
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