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发明名称
Hilfsgeraet zum Malen kreisfoermiger Ornamente an Waenden, Decken u. dgl.
摘要
申请公布号
DE489981(C)
申请公布日期
1930.01.22
申请号
DE1928H119161D
申请日期
1928.11.20
申请人
ERWIN HELMENSTEIN
发明人
分类号
B44D3/22
主分类号
B44D3/22
代理机构
代理人
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