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经营范围
发明名称
Blade for excavating mechanism
摘要
申请公布号
US2731742(A)
申请公布日期
1956.01.24
申请号
US19530334647
申请日期
1953.02.02
申请人
THE UNITED ELECTRIC COAL COMPANIES
发明人
JOHANSSON GUSTAF A.
分类号
E02F3/24
主分类号
E02F3/24
代理机构
代理人
主权项
地址
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