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经营范围
发明名称
RETAINING RINGS
摘要
申请公布号
CA493940(A)
申请公布日期
1953.06.23
申请号
CAD493940
申请日期
申请人
WALDES KOH-I-NOOR
发明人
RUDOLF FEITL
分类号
主分类号
代理机构
代理人
主权项
地址
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