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发明名称
VORRICHTUNG ZUM EINSCHLEUDERN VON BERGEVERSATZ IN AUSGEKOHLTE GRUBENRAEUME.
摘要
申请公布号
DE1657382(U)
申请公布日期
1953.06.11
申请号
DE194900D0599U
申请日期
1949.06.23
申请人
HERMANN SEEBOLD
发明人
HERMANN SEEBOLD
分类号
主分类号
代理机构
代理人
主权项
地址
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