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发明名称
Способ размножения рукописей, рисунков и т.п. для слепых
摘要
申请公布号
SU14530(A1)
申请公布日期
1930.03.31
申请号
SU19260012294
申请日期
1926.09.10
申请人
GORIN E.E.
发明人
GORIN E.E.
分类号
B61C1/00
主分类号
B61C1/00
代理机构
代理人
主权项
地址
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