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经营范围
发明名称
NON-RETURN VALVE
摘要
申请公布号
SU838240(A1)
申请公布日期
1981.06.15
申请号
SU19792821396
申请日期
1979.09.24
申请人
VNII PRIRODNYKH GAZOV
发明人
MKRTYCHAN YAKOV S,SU;MYASKOVSKIJ EVGENIJ G,SU;NIKANYUK BORIS S,SU
分类号
F16K15/14;(IPC1-7):F16K15/14
主分类号
F16K15/14
代理机构
代理人
主权项
地址
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