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发明名称
Fernsprechanlage als Kinderspielzeug mit mehreren Fernsprechern
摘要
申请公布号
DE560874(C)
申请公布日期
1932.10.07
申请号
DED560874D
申请日期
1930.11.18
申请人
FEBA-NUERNBERG DAVID MAYER
发明人
分类号
A63H33/30
主分类号
A63H33/30
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