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发明名称
VERKEHRSSAEULE MIT PAPIERKORB, WARNRUF UND BLINKZEICHENGEBER FUER PUSSGAENGER.
摘要
申请公布号
DE1708383(U)
申请公布日期
1955.10.06
申请号
DE195400L2299U
申请日期
1954.12.22
申请人
ERNST LANGEWITZ
发明人
ERNST LANGEWITZ
分类号
主分类号
代理机构
代理人
主权项
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