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经营范围
发明名称
Hydraulic mine support pre-load device pressure relief valve.
摘要
申请公布号
ZA200306396(B)
申请公布日期
2004.02.11
申请号
ZA20030006396
申请日期
2003.08.18
申请人
CAMWORTH TECHNOLOGIES LIMITED
发明人
JOHN PAUL MCKELVEY;DAVID CHARLES TYRER
分类号
F16K
主分类号
F16K
代理机构
代理人
主权项
地址
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