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发明名称
DEVICE FOR TIGHTNESS CHECK OF PIPELINE
摘要
申请公布号
SU1320679(A1)
申请公布日期
1987.06.30
申请号
SU19864020737
申请日期
1986.02.12
申请人
PORTNOJ RUDOLF L,SU;ALBREKHT ALEKSANDR V,SU
发明人
PORTNOJ RUDOLF L,SU;ALBREKHT ALEKSANDR V,SU
分类号
G01M3/08
主分类号
G01M3/08
代理机构
代理人
主权项
地址
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