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发明名称
VALVE SYSTEM AND METHOD
摘要
申请公布号
AU2003218351(A1)
申请公布日期
2003.10.13
申请号
AU20030218351
申请日期
2003.03.21
申请人
DAVIS-LYNCH, INC.
发明人
PAUL, L. SMITH;JEFFRY, C. EHLINGER
分类号
E21B23/06;E21B34/10
主分类号
E21B23/06
代理机构
代理人
主权项
地址
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