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发明名称
Fliegenfenstergaze
摘要
申请公布号
DE931370(C)
申请公布日期
1955.08.08
申请号
DE1953L016923
申请日期
1953.10.23
申请人
LUTZ HANS
发明人
LUTZ HANS
分类号
E06B9/52
主分类号
E06B9/52
代理机构
代理人
主权项
地址
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