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经营范围
发明名称
Improvements in or relating to diaphragm valves
摘要
申请公布号
GB842019(A)
申请公布日期
1960.07.20
申请号
GB19570000387
申请日期
1957.01.04
申请人
R. L. ROSS AND COMPANY LIMITED;MARTIN RODNEY PEARSON
发明人
分类号
F16K7/16
主分类号
F16K7/16
代理机构
代理人
主权项
地址
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