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发明名称
Schultafelrahmen
摘要
申请公布号
DE867662(C)
申请公布日期
1953.02.19
申请号
DE1951W006684
申请日期
1951.09.11
申请人
WILSCH FRIEDRICH
发明人
WILSCH FRIEDRICH
分类号
B43L1/02
主分类号
B43L1/02
代理机构
代理人
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