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发明名称
METHOD OF SPREADING ADJACENT FLANGED PIPES AND RELEVANT DEVICE
摘要
申请公布号
SU1702063(A1)
申请公布日期
1991.12.30
申请号
SU19904817737
申请日期
1990.03.14
申请人
VNI PK I PO PROBLEMAM OSVOENIYA NEFTYANYKH GAZOVYKH RESURSOV KONTINENTALNOGO SHELFA SSSR
发明人
BABAEV DAVUD A,SU
分类号
B25B27/16;F16L55/00
主分类号
B25B27/16
代理机构
代理人
主权项
地址
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