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发明名称
EINSCHIEBBARE BODENTREPPE.
摘要
申请公布号
DE1686225(U)
申请公布日期
1954.11.04
申请号
DE195400P6863U
申请日期
1954.07.13
申请人
HELMUT PEETZ
发明人
HELMUT PEETZ
分类号
主分类号
代理机构
代理人
主权项
地址
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