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发明名称
Perfectionnements apportés ou relatifs à la fabrication de briquettes combustibles
摘要
申请公布号
FR946800(A)
申请公布日期
1949.06.14
申请号
FRD946800
申请日期
1947.05.14
申请人
POWELL DUFFRYN LIMITED
发明人
分类号
C10L5/02
主分类号
C10L5/02
代理机构
代理人
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地址
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