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经营范围
发明名称
Umbrella anchor
摘要
申请公布号
US2873829(A)
申请公布日期
1959.02.17
申请号
US19550496548
申请日期
1955.03.24
申请人
PAUL TOBELER
发明人
WIEGMANN DIETRICH
分类号
E02D5/80
主分类号
E02D5/80
代理机构
代理人
主权项
地址
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