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经营范围
发明名称
Boiler cleaner
摘要
申请公布号
US2033434(A)
申请公布日期
1936.03.10
申请号
US19340755136
申请日期
1934.11.28
申请人
LINAKER FREDERICK W
发明人
LINAKER FREDERICK W.
分类号
F28G15/02
主分类号
F28G15/02
代理机构
代理人
主权项
地址
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