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经营范围
发明名称
Устройство для закалки перьев
摘要
申请公布号
SU85176(A1)
申请公布日期
1949.11.30
申请号
SU19490397012
申请日期
1949.05.09
申请人
KHOKHLOV V.A.
发明人
KHOKHLOV V.A.
分类号
C21D1/62;F27D3/00
主分类号
C21D1/62
代理机构
代理人
主权项
地址
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