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发明名称
Apparatus for the fireside cleaning of boilers
摘要
申请公布号
US2137253(A)
申请公布日期
1938.11.22
申请号
US19350039948
申请日期
1935.09.10
申请人
THOMPSON BERIAH M
发明人
THOMPSON BERIAH M.
分类号
F23J3/02
主分类号
F23J3/02
代理机构
代理人
主权项
地址
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