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发明名称
Diaphragm valve
摘要
申请公布号
US1800157(A)
申请公布日期
1931.04.07
申请号
US19290383265
申请日期
1929.08.03
申请人
KEITH SAUNDERS PHILIP
发明人
SAUNDERS PHILIP KEITH
分类号
F16K7/16
主分类号
F16K7/16
代理机构
代理人
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