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发明名称
Improvements in or relating to pipeline pig and sphere locating devices
摘要
申请公布号
GB974014(A)
申请公布日期
1964.11.04
申请号
GB19620025999
申请日期
1962.07.06
申请人
GENERAL DESCALING CO. LTD.
发明人
SUTTIE WALTER ROBERT
分类号
F16L55/48
主分类号
F16L55/48
代理机构
代理人
主权项
地址
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