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发明名称
Adjustable orifice for use in differential pressure apparatus
摘要
申请公布号
US3100620(A)
申请公布日期
1963.08.13
申请号
US19600047327
申请日期
1960.08.03
申请人
THE W. A. KATES COMPANY
发明人
KATES WILLARD A.
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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