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
RASTRELLIERA PER TUBI DI TRIVELLAZIONE DI POZZI PETROLIFERI
摘要
申请公布号
IT1038968(B)
申请公布日期
1979.11.30
申请号
IT19750024292
申请日期
1975.06.12
申请人
LEE C MOORE CORP
发明人
分类号
E21B19/15;(IPC1-7):E21B/
主分类号
E21B19/15
代理机构
代理人
主权项
地址
您可能感兴趣的专利
RUBBER COMPOSITION HAVING LOW HARDNESS, HIGH STRENGTH AND LOW IMPACT RESILIENCE
PRODUCTION OF L-TYROSINE
ROAD GUIDE SYSTEM
RADIATION DETECTOR
FACSIMILE TERMINAL CONNECTING SYSTEM
PROCESSING INSTRUCTION DEVICE FOR SEMICONDUCTOR SINGLE CRYSTAL INGOT
Disk presser mechanism for use in magnetic recording and reproducing apparatus
Mixing block for mixing a combustible gas mixture
Memory circuit and method of controlling the same
Membrane cleaning process
Method and apparatus for automated processing and aliquoting of whole blood samples for analysis in a centrifugal fast analyzer
Low temperature single step curing polyimide adhesive
Catalytic compositions and process uses
Anti-inflammatory analgesic adhesive preparation
Multistage copolymerization process
Storage bottle for contact lens cleaning solution having a self closing valve assembly
Method for suppressing noise in seismic data
On-line test and diagnostic system for power system stabilizer
Band clock offset phase locked loop
Semiconductor memory device having a read-modify-write configuration
