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经营范围
发明名称
PIPELINE PIG
摘要
申请公布号
GB1502829(A)
申请公布日期
1978.03.01
申请号
GB19750025849
申请日期
1975.06.17
申请人
WILLIAMSON T INC
发明人
分类号
G01B7/13;G01B7/28;(IPC1-7):G01B5/12;G01B5/20;G01B7/12
主分类号
G01B7/13
代理机构
代理人
主权项
地址
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