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发明名称
Ausschaltbare Umdrehungsachse fuer Zeichengeraete
摘要
申请公布号
DE1411441(A1)
申请公布日期
1969.09.25
申请号
DE19611411441
申请日期
1961.03.08
申请人
BRADLER,ERWIN
发明人
BRADLER,ERWIN
分类号
B43L7/00
主分类号
B43L7/00
代理机构
代理人
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