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经营范围
发明名称
Dipper tooth assembly
摘要
申请公布号
US2227674(A)
申请公布日期
1941.01.07
申请号
US19380241577
申请日期
1938.11.21
申请人
THE AMERICAN BRAKE SHOE AND FOUNDRY COMPANY
发明人
RATKOWSKI THOMAS A.
分类号
E02F9/28
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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