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发明名称
FACE PROTECTIVE SUPPORT
摘要
申请公布号
RU1810559(C)
申请公布日期
1993.04.23
申请号
SU19904687363
申请日期
1990.05.03
申请人
VSESOYUZNYJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT BEZOPASNOSTI TRUDA V GORNORUDNOJ PROMYSHLENNOSTI
发明人
SHCHERBATYUK GEORGIJ YA;KAMBAROV VLADIMIR A
分类号
E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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