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发明名称
Draft regulator
摘要
申请公布号
US2135130(A)
申请公布日期
1938.11.01
申请号
US19360066918
申请日期
1936.03.03
申请人
PREFERRED UTILITIES COMPANY, INC.
发明人
VIDALIE RENE M.
分类号
F23L11/02
主分类号
F23L11/02
代理机构
代理人
主权项
地址
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