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发明名称
Improvements in and relating to diaphragm-actuated valves
摘要
申请公布号
GB758909(A)
申请公布日期
1956.10.10
申请号
GB19550027259
申请日期
1953.09.15
申请人
HENRI GEORGES BOULY
发明人
分类号
F16K31/365
主分类号
F16K31/365
代理机构
代理人
主权项
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