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经营范围
发明名称
Gas burner and ventilator
摘要
申请公布号
US1757898(A)
申请公布日期
1930.05.06
申请号
US19270224474
申请日期
1927.10.06
申请人
FRANK BUSHMAN;ROBERT MCFARLANE
发明人
BUSHMAN FRANK;MCFARLANE ROBERT
分类号
F23L9/00
主分类号
F23L9/00
代理机构
代理人
主权项
地址
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