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发明名称
BETON-TREPPENKANTE.
摘要
申请公布号
DE1957043(U)
申请公布日期
1967.03.16
申请号
DE196600K5457U
申请日期
1966.09.07
申请人
JOACHIM KRECH
发明人
JOACHIM KRECH
分类号
主分类号
代理机构
代理人
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