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发明名称
Скребок для очистки парафина
摘要
申请公布号
SU111096(A1)
申请公布日期
1956.11.30
申请号
SU19490409129
申请日期
1949.12.19
申请人
BELOUSOV A.P.;BOLTYSHEV A.A.
发明人
BELOUSOV A.P.;BOLTYSHEV A.A.
分类号
E21B37/02;B08B9/00
主分类号
E21B37/02
代理机构
代理人
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地址
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