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经营范围
发明名称
Apparatus capable of producing a uniform discharge of fluid from or against a variable head or pressure
摘要
申请公布号
US1907162(A)
申请公布日期
1933.05.02
申请号
US19260136341
申请日期
1926.09.18
申请人
RICHARD WEBB FREDERICK
发明人
WEBB FREDERICK RICHARD
分类号
G05D7/01
主分类号
G05D7/01
代理机构
代理人
主权项
地址
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