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发明名称
Dispositif pour transport des produits pulvérulents ou poussiéreux, notamment au fond, dans les mines
摘要
申请公布号
FR1118718(A)
申请公布日期
1956.06.11
申请号
FRD1118718
申请日期
1955.02.04
申请人
LITWINSCHUH & BONK
发明人
分类号
B65G53/22;E21F13/00
主分类号
B65G53/22
代理机构
代理人
主权项
地址
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