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发明名称
Fahrbarer Kinderlaufstuhl.
摘要
申请公布号
AT135209(B)
申请公布日期
1933.11.10
申请号
ATD135209
申请日期
1932.07.30
申请人
MATHYS JOHANNES VAN DEN HEUVEL;MEINDERT BARTHOLD BEYL;WILLEM VAN GELDER
发明人
MATHYS JOHANNES VAN DEN HEUVEL;MEINDERT BARTHOLD BEYL;WILLEM VAN GELDER
分类号
主分类号
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