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经营范围
发明名称
Spark arrester
摘要
申请公布号
US1887922(A)
申请公布日期
1932.11.15
申请号
US19310538115
申请日期
1931.05.18
申请人
CROSBY RICHARD M
发明人
CROSBY RICHARD M.
分类号
F23J15/02
主分类号
F23J15/02
代理机构
代理人
主权项
地址
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