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经营范围
发明名称
Revetment laying apparatus
摘要
申请公布号
US2687016(A)
申请公布日期
1954.08.24
申请号
US19490100132
申请日期
1949.06.20
申请人
PICKETT ANDREW B
发明人
PICKETT ANDREW B.
分类号
E02B3/12
主分类号
E02B3/12
代理机构
代理人
主权项
地址
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