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
ROTARY DRILLING BIT
摘要
申请公布号
SU1731931(A1)
申请公布日期
1992.05.07
申请号
SU19894699829
申请日期
1989.06.02
申请人
GNI PI NEFTYANOJ PROMY "UKRGIPRONIINEFT"
发明人
EREMENKO VASILIJ F,SU;KUNTSYAK YAROSLAV V,SU;LIGOTSKIJ NIKOLAJ V,SU;LESHCHINSKAYA NINA L,SU
分类号
E21B10/42
主分类号
E21B10/42
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Key agreement and transport protocol
Method for controlling an automatic gearbox
Computer system comprising a host connected to a disk drive employing state variable trap registers for providing stored servo and user data state variables to sampled-data channel
Integrated circuit devices having a delay locked loop that is configurable for high-frequency operation during test and methods of operating same
Band gap engineering of amorphous Al-Ga-N alloys
Method for the Preparation of Citalopram
Document omvattende een authenticiteitkenmerk.
Aperture edging member and method
Produto refrigerado de massa para panificação
Fundente para soldar
Control apparatus and outputting signal adjusting method therefor
Clock
Processo de redução direta e aparelho para produzir metal ferroso a partir de um material de alimentação ferroso
Utbedring av lekkasjer via tettemidler i lokale reservoarer
STRUTTURA DI CABINA CLIMATIZZATA PER MACCHINE OPERATRICI MULTIFUNZIONALI
MACCHINA DA TAGLIO AMOVIBILE, A FILO DIAMANTATO VERTICALE, PER LA RIQUADRATURA E/O LA SEZIONATURA DI BLOCCHI DI MARMI, GRANITI E PIETRE IN G
TAVOLO PIEGHEVOLE
ATTACCO REGOLABILE PER BLOCCARE IL PIEDE PARTICOLARMENTE PER SPORT ACQUATICI
SEGNALIBRO
MUTANDINE ASSORBENTI MONOUSO
