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发明名称
Трость для слепых
摘要
申请公布号
SU78860(A1)
申请公布日期
1948.11.30
申请号
SU19480384879
申请日期
1948.09.30
申请人
KRIVITSKIJ D.M.;SHTEJN YA.M.
发明人
KRIVITSKIJ D.M.;SHTEJN YA.M.
分类号
G08B5/36
主分类号
G08B5/36
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代理人
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