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发明名称
Obturateur sous trémie, notamment sous trémie à charbon
摘要
申请公布号
FR1335078(A)
申请公布日期
1963.08.16
申请号
FR19620902853
申请日期
1962.07.03
申请人
UNION INDUSTRIELLE & D'ENTREPRISE
发明人
分类号
B65D90/58;F23K3/00
主分类号
B65D90/58
代理机构
代理人
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