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发明名称
Rørledningsværktøj.
摘要
申请公布号
DK135687(B)
申请公布日期
1977.06.06
申请号
DK19730000480
申请日期
1973.01.29
申请人
THE BRITISH PETROLEUM COMPANY LIMITED
发明人
JOHN WILLIAM ELLS
分类号
B08B9/053;F16K7/10;F16L55/136;(IPC1-7):F16L1/04
主分类号
B08B9/053
代理机构
代理人
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