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发明名称
Insulated bearing for revolving head ventilators
摘要
申请公布号
US2142724(A)
申请公布日期
1939.01.03
申请号
US19370145751
申请日期
1937.06.01
申请人
STARLINE INC.
发明人
FERRIS ROBERT G.
分类号
F23L17/10
主分类号
F23L17/10
代理机构
代理人
主权项
地址
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