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经营范围
发明名称
Clay working
摘要
申请公布号
US2024025(A)
申请公布日期
1935.12.10
申请号
US19340722388
申请日期
1934.04.25
申请人
THE HANCOCK BRICK & TILE COMPANY
发明人
CHILD D. EARL;CHILD JAMES LEO
分类号
B28B3/24
主分类号
B28B3/24
代理机构
代理人
主权项
地址
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