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发明名称
Chemical adding devices for water systems
摘要
申请公布号
US3163174(A)
申请公布日期
1964.12.29
申请号
US19610099766
申请日期
1961.03.31
申请人
HELLER LABORATORIES, INC.
发明人
PINTZ FREDERICK F.
分类号
B67D7/74
主分类号
B67D7/74
代理机构
代理人
主权项
地址
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