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发明名称
Dipper shovel tooth
摘要
申请公布号
US2134344(A)
申请公布日期
1938.10.25
申请号
US19370144049
申请日期
1937.05.21
申请人
STANLEY SEAL
发明人
SEAL STANLEY
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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