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发明名称
Ellipsenzirkel als Universalgeraet
摘要
申请公布号
DE1922813(A1)
申请公布日期
1970.11.12
申请号
DE19691922813
申请日期
1969.05.05
申请人
WOELFEL,JOSEF
发明人
WOELFEL,JOSEF
分类号
B43L11/05
主分类号
B43L11/05
代理机构
代理人
主权项
地址
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