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经营范围
发明名称
BUTTERFLY VALVES
摘要
申请公布号
GB8525457(D0)
申请公布日期
1985.11.20
申请号
GB19850025457
申请日期
1985.10.16
申请人
WINN (VALVES) LTD, CHARLES
发明人
分类号
F16K1/22
主分类号
F16K1/22
代理机构
代理人
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地址
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