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经营范围
发明名称
Ovaler Federring
摘要
申请公布号
DE1062499(B)
申请公布日期
1959.07.30
申请号
DE1956W019400
申请日期
1956.07.11
申请人
WALDES KOH-I-NOOR, INC.
发明人
WURZEL HUGO
分类号
F16B21/18
主分类号
F16B21/18
代理机构
代理人
主权项
地址
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