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发明名称
Приспособление для изготовления колец Рашига
摘要
申请公布号
SU102221(A1)
申请公布日期
1954.11.30
申请号
SU19530451345
申请日期
1953.11.26
申请人
BELOVOL I.K.;YAROVOJ M.T.
发明人
BELOVOL I.K.;YAROVOJ M.T.
分类号
B21D53/16
主分类号
B21D53/16
代理机构
代理人
主权项
地址
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