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发明名称
Improvement in and relating to a method and apparatus for Temporarily Sealing Pipelines
摘要
申请公布号
GB1199188(A)
申请公布日期
1970.07.15
申请号
GB19670049388
申请日期
1967.10.31
申请人
BERTHOLD SCHEIDLER
发明人
BERTHOLD SCHEIDLER
分类号
F16L55/103
主分类号
F16L55/103
代理机构
代理人
主权项
地址
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