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发明名称
Register
摘要
申请公布号
US2282946(A)
申请公布日期
1942.05.12
申请号
US19400318598
申请日期
1940.02.12
申请人
HART & COOLEY MANUFACTURING COMPANY
发明人
ROO WILLIAM C. DE
分类号
F24F13/075
主分类号
F24F13/075
代理机构
代理人
主权项
地址
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