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经营范围
发明名称
Mining machine
摘要
申请公布号
US2062661(A)
申请公布日期
1936.12.01
申请号
US19340708142
申请日期
1934.01.24
申请人
SULLIVAN MACHINERY COMPANY
发明人
BALDWIN CLYDE P.
分类号
E21C35/06
主分类号
E21C35/06
代理机构
代理人
主权项
地址
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