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发明名称
Кондуктор для сверления овальных отверстий
摘要
申请公布号
SU99527(A1)
申请公布日期
1954.11.30
申请号
SU19530448877
申请日期
1953.12.24
申请人
LITVINCHEV N.I.
发明人
LITVINCHEV N.I.
分类号
B23B49/02
主分类号
B23B49/02
代理机构
代理人
主权项
地址
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