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发明名称
Valve assembly.
摘要
申请公布号
ZA200309782(B)
申请公布日期
2004.08.16
申请号
ZA20030009782
申请日期
2003.12.18
申请人
GRINAKER-LTA LIMITED
发明人
GERB PETRUS VAN NIEKERK
分类号
E21D;F16K
主分类号
E21D
代理机构
代理人
主权项
地址
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