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发明名称
Verstellbare Berge- und Kohlenfalltreppe
摘要
申请公布号
DE1127845(B)
申请公布日期
1962.04.19
申请号
DE1958H034422
申请日期
1958.10.01
申请人
ARTHUR KLAESENER;HEINZ HOELTER
发明人
HOELTER HEINZ
分类号
E21F13/04
主分类号
E21F13/04
代理机构
代理人
主权项
地址
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