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发明名称
Boiler cleaner
摘要
申请公布号
US1766959(A)
申请公布日期
1930.06.24
申请号
US19250032799
申请日期
1925.05.25
申请人
DIAMOND POWER SPECIALTY CORPORATION
发明人
SNOW NORMAN L.
分类号
F28G3/16
主分类号
F28G3/16
代理机构
代理人
主权项
地址
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