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经营范围
发明名称
Improvements in and relating to diaphragm valves
摘要
申请公布号
GB749330(A)
申请公布日期
1956.05.23
申请号
GB19540002785
申请日期
1954.01.29
申请人
SAUNDERS VALVE COMPANY LIMITED
发明人
分类号
F16K7/12
主分类号
F16K7/12
代理机构
代理人
主权项
地址
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