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发明名称
Boiler-scale-removing device
摘要
申请公布号
US1761371(A)
申请公布日期
1930.06.03
申请号
US19280290219
申请日期
1928.07.03
申请人
BAYLOR SPRATT
发明人
SPRATT BAYLOR
分类号
F28G3/10
主分类号
F28G3/10
代理机构
代理人
主权项
地址
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