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发明名称
Hubschrauber als Lehrmittel und Spielzeug
摘要
申请公布号
DE934519(C)
申请公布日期
1955.10.27
申请号
DE1953B028637
申请日期
1953.12.01
申请人
JACOB BERG KOMMANDITGESELLSCHAFT
发明人
I ADAM KRAUTKRAEMER
分类号
A63H27/133
主分类号
A63H27/133
代理机构
代理人
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地址
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