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发明名称
Приспособление для собирания торфяной крошки в кучи
摘要
申请公布号
SU29468(A1)
申请公布日期
1933.03.31
申请号
SU19300076136
申请日期
1930.07.20
申请人
BOGDANOVICH I.R.
发明人
BOGDANOVICH I.R.
分类号
E21C49/04
主分类号
E21C49/04
代理机构
代理人
主权项
地址
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