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发明名称
Sewer pipe cutting mechanism
摘要
申请公布号
US2544254(A)
申请公布日期
1951.03.06
申请号
US19480015483
申请日期
1948.03.17
申请人
THE HANCOCK BRICK AND TILE COMPANY
发明人
JR. JAMES L. CHILD,
分类号
B28B11/16
主分类号
B28B11/16
代理机构
代理人
主权项
地址
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