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经营范围
发明名称
Ventilated window
摘要
申请公布号
US2531281(A)
申请公布日期
1950.11.21
申请号
US19450593617
申请日期
1945.05.14
申请人
OTTO KUBATZKY
发明人
KUBATZKY OTTO
分类号
E06B1/36;E06B3/34;E06B3/50
主分类号
E06B1/36
代理机构
代理人
主权项
地址
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