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发明名称
Method and apparatus for extruding and briquetting coal and other materials
摘要
申请公布号
US2617167(A)
申请公布日期
1952.11.11
申请号
US19500193185
申请日期
1950.10.31
申请人
JOHNSON WALTER V
发明人
JOHNSON WALTER V.
分类号
B30B11/24;C10L5/06
主分类号
B30B11/24
代理机构
代理人
主权项
地址
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