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发明名称
PNEUMATIC HAMMER
摘要
申请公布号
SU1509524(A1)
申请公布日期
1989.09.23
申请号
SU19864140508
申请日期
1986.10.29
申请人
INST GORNOGO DELA SO AN SSSR
发明人
FEDULOV ALEKSANDR I,SU;MATTIS ALFRED R,SU;SHISHAEV SERGEJ V,SU;DRUZHININ MIKHAIL S,SU;OSTANINA IRINA V,SU
分类号
E21C37/00;E02D7/10
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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