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发明名称
IMPACT ROCK BIT
摘要
申请公布号
JPS62284886(A)
申请公布日期
1987.12.10
申请号
JP19860301871
申请日期
1986.12.19
申请人
SMITH INTERNATL INC
发明人
DEIBIDO RICHIYAADO HOORU
分类号
B32B18/00;B01J;B22F7/06;B23D5/00;B23P;B24D;B24D3/00;B24D3/06;B32B15/01;C01B;C04B35/52;C04B37/00;C22C;E21B;E21B10/56;E21B10/567
主分类号
B32B18/00
代理机构
代理人
主权项
地址
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