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经营范围
发明名称
Ventilating and vaporizing apparatus
摘要
申请公布号
US2441623(A)
申请公布日期
1948.05.18
申请号
US19450589817
申请日期
1945.04.23
申请人
O-CEDAR CORP'N
发明人
DUPUY CHARLES F. J.
分类号
F24F6/04
主分类号
F24F6/04
代理机构
代理人
主权项
地址
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