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发明名称
Improvements in or relating to pressure reducing valves
摘要
申请公布号
GB507099(A)
申请公布日期
1939.06.09
申请号
GB19380004453
申请日期
1938.02.12
申请人
ANDREW SWAN;WILLIAM CHARLES CLOTHIER
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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