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发明名称
Wafer ball valve of synthetic material with built-in core
摘要
申请公布号
AU4512593(A)
申请公布日期
1994.08.29
申请号
AU19930045125
申请日期
1993.06.05
申请人
NEGRI FRATELLI S.R.L.
发明人
GUIDO NEGRI
分类号
F16K5/06;F16K27/06
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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