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发明名称
WATER TREATMENT CHEMICAL FEEDER
摘要
申请公布号
CA549085(A)
申请公布日期
1957.11.19
申请号
CAD549085
申请日期
申请人
MATHIESON CHEMICAL CORPORATION
发明人
JOSEPH J. TEPAS, JR.
分类号
主分类号
代理机构
代理人
主权项
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