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发明名称
FREISTEHENDE, LAENGSVERSCHIEBBARE STUFENLEITER.
摘要
申请公布号
DE1618115(U)
申请公布日期
1950.12.28
申请号
DE195000W2033U
申请日期
1950.09.28
申请人
ROSMARIE WILHELM
发明人
ROSMARIE WILHELM
分类号
主分类号
代理机构
代理人
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