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发明名称
CLOSING DEVICE FOR GAS PIPELINES
摘要
申请公布号
CS8707946(A1)
申请公布日期
1989.03.14
申请号
CS19870007946
申请日期
1987.11.05
申请人
KARAS VILEM,CS
发明人
KARAS VILEM,CS
分类号
F16L55/10;(IPC1-7):F16L55/10
主分类号
F16L55/10
代理机构
代理人
主权项
地址
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