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发明名称
Pressure regulator having alpha rotatable closure
摘要
申请公布号
US1849772(A)
申请公布日期
1932.03.15
申请号
US19290342891
申请日期
1929.02.26
申请人
UNION CARBIDE AND CARBON RESEARCH LABORATORIES, INC.
发明人
SPENCER GERALD G.
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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