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发明名称
Diaphragm valve
摘要
申请公布号
US2381799(A)
申请公布日期
1945.08.07
申请号
US19430503051
申请日期
1943.09.20
申请人
MINNEAPOLIS-HONEYWELL REGULATOR COMPANY
发明人
BERKHOLDER GEORGE H.
分类号
G05D23/275
主分类号
G05D23/275
代理机构
代理人
主权项
地址
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