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经营范围
发明名称
Coal briquette
摘要
申请公布号
US1891450(A)
申请公布日期
1932.12.20
申请号
US19300500423
申请日期
1930.12.05
申请人
ISIDOR ROSENWALD
发明人
ROSENWALD ISIDOR
分类号
C10L5/10
主分类号
C10L5/10
代理机构
代理人
主权项
地址
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