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经营范围
发明名称
An improved cup or disc for use as a part of a pipeline pig
摘要
申请公布号
AU740201(B2)
申请公布日期
2001.11.01
申请号
AU19980084769
申请日期
1998.07.02
申请人
TDW DELAWARE, INC.
发明人
WILLIAM JACK RANKIN
分类号
B08B9/04;B08B9/055;F16L55/28;(IPC1-7):B08B9/04
主分类号
B08B9/04
代理机构
代理人
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