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发明名称
Zusammenlegbares Kastenbett.
摘要
申请公布号
AT131545(B)
申请公布日期
1933.01.25
申请号
ATD131545
申请日期
1931.11.14
申请人
GUSTAV KELLER
发明人
GUSTAV KELLER
分类号
主分类号
代理机构
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