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经营范围
发明名称
Electrically heated screen construction and method
摘要
申请公布号
US3195725(A)
申请公布日期
1965.07.20
申请号
US19610128866
申请日期
1961.08.02
申请人
F. R. HANNON & SONS, INC.
发明人
HANNON THOMAS W.
分类号
B07B1/62
主分类号
B07B1/62
代理机构
代理人
主权项
地址
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