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发明名称
APPARATUS FOR SETTING WEIGHTS ONTO UNDERWATER PIPELINE
摘要
申请公布号
SU1460513(A1)
申请公布日期
1989.02.23
申请号
SU19874312611
申请日期
1987.07.13
申请人
VAKULICH VIKTOR N,SU
发明人
VAKULICH VIKTOR N,SU
分类号
F16L1/20
主分类号
F16L1/20
代理机构
代理人
主权项
地址
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