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发明名称
Doppelfenster
摘要
申请公布号
CH329281(A)
申请公布日期
1958.04.30
申请号
CHD329281
申请日期
1954.10.02
申请人
ELTREVA AG
发明人
分类号
E06B3/26;E06B3/263;E06B3/30
主分类号
E06B3/26
代理机构
代理人
主权项
地址
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