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发明名称
Dispositif destiné à assurer la régularité d'évacuation des substances poudreuses, pâteuses, et similaires dans les containers ou autres
摘要
申请公布号
FR1184961(A)
申请公布日期
1959.07.28
申请号
FRD1184961
申请日期
1957.10.22
申请人
发明人
DUMONT JEAN
分类号
B65G53/12
主分类号
B65G53/12
代理机构
代理人
主权项
地址
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