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经营范围
发明名称
Pipeline pig
摘要
申请公布号
GB9814579(D0)
申请公布日期
1998.09.02
申请号
GB19980014579
申请日期
1998.07.07
申请人
SUTTIE, WALTER R
发明人
分类号
B08B9/04;B08B9/055;F16L55/40
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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