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经营范围
发明名称
Etançon métallique à füt coulissant.
摘要
申请公布号
BE585808(A1)
申请公布日期
1960.04.19
申请号
BE19590585808
申请日期
1959.12.18
申请人
PROGRES CHARBONNIER PROCHAR, SOCIETE COOPERATIVE
发明人
分类号
(IPC1-7):E21D
主分类号
(IPC1-7):E21D
代理机构
代理人
主权项
地址
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