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经营范围
发明名称
Coal breaker
摘要
申请公布号
US1941603(A)
申请公布日期
1934.01.02
申请号
US19290350703
申请日期
1929.03.28
申请人
PENNSYLVANIA CRUSHER COMPANY
发明人
HARTSHORN STANLEY D.
分类号
B02C17/02
主分类号
B02C17/02
代理机构
代理人
主权项
地址
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