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发明名称
BOILER DESCALING APPARATUS
摘要
申请公布号
CA442170(A)
申请公布日期
1947.06.17
申请号
CAD442170
申请日期
申请人
FRANK G. NEGUS
发明人
FRANK G. NEGUS
分类号
主分类号
代理机构
代理人
主权项
地址
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