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发明名称
Дефибрерный камень
摘要
申请公布号
SU62288(A1)
申请公布日期
1942.11.30
申请号
SU19410300383
申请日期
1941.04.02
申请人
KOFMAN M.I.
发明人
KOFMAN M.I.
分类号
B24D3/18
主分类号
B24D3/18
代理机构
代理人
主权项
地址
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