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发明名称
DEVICE FOR DETECTING GAS LEAKAGE OUT OF PIPE-LINE
摘要
申请公布号
RU1815467(C)
申请公布日期
1993.05.15
申请号
SU19904810433
申请日期
1990.04.06
申请人
NECHAEV ALEKSEJ G
发明人
NECHAEV ALEKSEJ G
分类号
F17D5/02;(IPC1-7):F17D5/02
主分类号
F17D5/02
代理机构
代理人
主权项
地址
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