首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Rock bit
摘要
申请公布号
GB9512021(D0)
申请公布日期
1995.08.09
申请号
GB19950012021
申请日期
1995.06.13
申请人
SMITH INTERNATIONAL INC
发明人
分类号
E21B10/22;E21B10/25
主分类号
E21B10/22
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method of producing infectious papillomavirus in placental cells
Cooling cover apparatus
Arm cradle for fishing rod
Device and method relating to cable TV networks
Harness assembly for a nasal mask
Distributed monitoring and protection system for a distributed power network
Data processor
Method for self-calibration of a wireless communication system
Airflow sharing
Apparatus for photo exposure of materials with subsequent capturing of volatiles for analysis
Fluid sampling device comprising a thermal control valve
Remmen van de oxidatie van een Fischer-Tropsch-product onder toepassing van tijdelijke antioxidantia.
Laminado de transferência de lìquido permanentemente conformável aos contornos de um usuário
Composições antimicrobiais ácidas para tratar alimento e superfìcies de contato do alimento e métodos para uso das mesmas
Data processing system.
Vet bevattende melkvervanger voor jongvee, werkwijze voor de bereiding van de vet bevattende melkvervanger en de daarbij toe te passen inrichting.
Body fat monitor
Organizer stand
Pelìcula de empacotamento e método de fabricar uma pelìcula de empacotamento
Método de fabricação de uma junta eletrocondutora
