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经营范围
发明名称
Lagging iron coupling with locking pin
摘要
申请公布号
GB895803(A)
申请公布日期
1962.05.09
申请号
GB19590028493
申请日期
1959.08.20
申请人
KARL MARIA GROETSCHEL
发明人
分类号
E21D17/086
主分类号
E21D17/086
代理机构
代理人
主权项
地址
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