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发明名称
MEANS FOR ASSEMBLING OPEN RETAINING RINGS
摘要
申请公布号
CA573803(A)
申请公布日期
1959.04.07
申请号
CAD573803
申请日期
申请人
WALDES KOH-I-NOOR
发明人
HANS ERDMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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