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经营范围
发明名称
Cribbing
摘要
申请公布号
US2358698(A)
申请公布日期
1944.09.19
申请号
US19420460023
申请日期
1942.09.28
申请人
FLATH OTTO S
发明人
FLATH OTTO S.
分类号
E02D29/02
主分类号
E02D29/02
代理机构
代理人
主权项
地址
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