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发明名称
Anchoring device
摘要
申请公布号
US1978571(A)
申请公布日期
1934.10.30
申请号
US19310560107
申请日期
1931.08.29
申请人
DINKLAGE RAYMOND R
发明人
DINKLAGE RAYMOND R.
分类号
E01B13/02
主分类号
E01B13/02
代理机构
代理人
主权项
地址
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