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发明名称
Boiler cleaner
摘要
申请公布号
US1877720(A)
申请公布日期
1932.09.13
申请号
US19230612766
申请日期
1923.01.15
申请人
DIAMOND POWER SPECIALTY CORPORATION
发明人
SNOW NORMAN L.;HOWSE CURTIS L.;BOWERS FRANK
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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