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发明名称
DEVICE FOR GAS SEALING OF THREADED CONNECTION
摘要
申请公布号
SU1555587(A1)
申请公布日期
1990.04.07
申请号
SU19884360562
申请日期
1988.01.06
申请人
GORLOVSKIJ DO POLT INSTITUTA
发明人
SHMAKOV BORIS M,SU;CHICHKAN SERGEJ A,SU
分类号
F16L15/04
主分类号
F16L15/04
代理机构
代理人
主权项
地址
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