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经营范围
发明名称
Pipe line pig or sphere locating devices
摘要
申请公布号
US3306251(A)
申请公布日期
1967.02.28
申请号
US19650426077
申请日期
1965.01.18
申请人
GENERAL DESCALING COMPANY LIMITED
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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