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经营范围
发明名称
Hydrophone mandrel for precise placement of gratings
摘要
申请公布号
GB0504902(D0)
申请公布日期
2005.04.13
申请号
GB20050004902
申请日期
2005.03.09
申请人
WEATHERFORD/LAMB INC.
发明人
分类号
G01B9/02;G01D5/26;G01H9/00;G01L1/24;G01V1/18;G02B6/00;G02B6/34;H04R1/44;H04R23/00
主分类号
G01B9/02
代理机构
代理人
主权项
地址
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