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发明名称
Flow control apparatus for water treatment systems
摘要
申请公布号
US2870788(A)
申请公布日期
1959.01.27
申请号
US19520324584
申请日期
1952.12.06
申请人
AQUAMATIC INC.
发明人
HULL DEAN R.;JR. ROBERT A. WHITLOCK,
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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