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经营范围
发明名称
Improvements in or relating to pressure reduction valves
摘要
申请公布号
GB1044655(A)
申请公布日期
1966.10.05
申请号
GB19630019916
申请日期
1963.05.20
申请人
VICTOR KEITH RELF
发明人
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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