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经营范围
发明名称
ROTARY BALL VALVES
摘要
申请公布号
GB1477929(A)
申请公布日期
1977.06.29
申请号
GB19740030734
申请日期
1974.07.11
申请人
WHITEY RES TOOL CO
发明人
分类号
F16K5/06;(IPC1-7):F16K5/06
主分类号
F16K5/06
代理机构
代理人
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地址
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