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经营范围
发明名称
Boiler
摘要
申请公布号
US2121562(A)
申请公布日期
1938.06.21
申请号
US19370155753
申请日期
1937.07.26
申请人
OLIVER E. FRAZER
发明人
FRAZER PINKNEY P.
分类号
F22B17/10
主分类号
F22B17/10
代理机构
代理人
主权项
地址
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