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发明名称
Способ увеличения живучести цельностальных топоров
摘要
申请公布号
SU80508(A1)
申请公布日期
1949.11.30
申请号
SU19490391117
申请日期
1949.02.02
申请人
MITROFANOV A.A.
发明人
MITROFANOV A.A.
分类号
C21D1/78
主分类号
C21D1/78
代理机构
代理人
主权项
地址
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