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经营范围
发明名称
DIAPHRAGM VALVE
摘要
申请公布号
GB1601210(A)
申请公布日期
1981.10.28
申请号
GB19800025360
申请日期
1978.01.27
申请人
WATERFIELD ENG LTD
发明人
分类号
F16K7/12;F16K27/02;(IPC1-7):F16K7/12
主分类号
F16K7/12
代理机构
代理人
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