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发明名称
WANDKALENDER BESTEHEND AUS KALENDER- UND BILDERBLOCK.
摘要
申请公布号
DE1603458(U)
申请公布日期
1950.03.16
申请号
DE194900G0078U
申请日期
1949.10.21
申请人
HELMUTH GROH
发明人
HELMUTH GROH
分类号
主分类号
代理机构
代理人
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