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发明名称
Improvements in gate valves
摘要
申请公布号
GB761986(A)
申请公布日期
1956.11.21
申请号
GB19530024622
申请日期
1953.09.05
申请人
SAUNDERS VALVE COMPANY LIMITED
发明人
SHAND STANLEY GRAPES
分类号
F16K31/528
主分类号
F16K31/528
代理机构
代理人
主权项
地址
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