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发明名称
Учебное пособие для демонстрации принципа обработки зубьев зубчатых изделий
摘要
申请公布号
SU120687(A1)
申请公布日期
1958.11.30
申请号
SU19580606636
申请日期
1958.08.26
申请人
RYZHOV I.S.
发明人
RYZHOV I.S.
分类号
G09B19/24
主分类号
G09B19/24
代理机构
代理人
主权项
地址
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