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
DEVICE FOR CLEANING DRILL PIPES
摘要
申请公布号
SU1691510(A1)
申请公布日期
1991.11.15
申请号
SU19894688273
申请日期
1989.03.02
申请人
SAMARSKIJ POLT I IM.V.V.KUJBYSHEVA
发明人
FAJN GENRIKH M,SU;BASHIROV NURI A,SU;DANELYANTS MIKHAIL S,SU;SNAREV ANATOLIJ I,SU;KARETNIKOV ALEKSANDR V,SU
分类号
E21B37/02
主分类号
E21B37/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Rubber-soled safety shoe
Stopper inserting and extracting machine
Construction cylinder
Footwear with bottom soles made of elastic material
Mechanical toothbrush and the like
Beta-hydroperfluoroalkyl compounds of phosphorus
Flush-type toggle latch
Gas meter sealing means
Dusting powder box
Props or jacks
Adjustable graduations for instrument dial
Field responsive force transmitting compositions
Closure latch
Room register
Magnetostrictive torque meter
Process for preparing 2-fluoroalkyl-5-nitrofurans
Cellulose derivative materials
Automatic plunge grinder
Power supply for portable dictating machine and the like
Motion picture camera