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发明名称
Doppelspiegel.
摘要
申请公布号
AT137296(B)
申请公布日期
1934.04.25
申请号
ATD137296
申请日期
1933.04.13
申请人
ALEXANDER WEISZ
发明人
ALEXANDER WEISZ
分类号
主分类号
代理机构
代理人
主权项
地址
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