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发明名称
SEAL FOR AUTOMATIC PIPELINE BUTT-JOINTING DEVICE
摘要
申请公布号
SU1242678(A1)
申请公布日期
1986.07.07
申请号
SU19853849960
申请日期
1985.01.28
申请人
VASILEV VIKTOR E,SU
发明人
VASILEV VIKTOR E,SU
分类号
F16L37/00
主分类号
F16L37/00
代理机构
代理人
主权项
地址
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