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发明名称
Regulator and relief valve
摘要
申请公布号
US1956787(A)
申请公布日期
1934.05.01
申请号
US19330655120
申请日期
1933.02.03
申请人
BIRCH WILLIAM T
发明人
BIRCH WILLIAM T.
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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