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发明名称
Method of waterproofing fuel briquettes
摘要
申请公布号
US2325840(A)
申请公布日期
1943.08.03
申请号
US19410386839
申请日期
1941.04.04
申请人
ERICKSON JOHN A
发明人
ERICKSON JOHN A.
分类号
C10L5/14
主分类号
C10L5/14
代理机构
代理人
主权项
地址
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