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
LOCK THREADED JOINT OF DRILL PIPES
摘要
申请公布号
SU1411423(A1)
申请公布日期
1988.07.23
申请号
SU19864181608
申请日期
1986.11.17
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
KRYZHANOVSKIJ EVSTAFIJ I,SU;KLIMISHIN YAROSLAV D,SU;PODDUBNYJ EDUARD G,SU;YANYSHIVSKIJ MIROSLAV YA,SU
分类号
E21B17/042;B23Q17/09
主分类号
E21B17/042
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Surgical apparatus for use in knee surgery
DIFFERENSIAL-FORSTERKER
ENZYMHOLDIGE, FLYTENDE VASKEMIDDELBLANDINGER
MASKIN FOR INNPAKKING AV ARTIKLER I EN BRETT-ESKE
HAARPLEIEMIDDEL
SUBSTITUERTE FENYLFENOL-LEUKOTRIENANTAGONISTER
Separation of solids from liquids
ELECTRICALLY OPERATED WELL COMPLETION APPARATUS AND METHOD
ELECTRICALLY OPERATED WELL COMPLETION APPARATUS AND METHOD
Disposable biodegradable insulated container and method for making
TEXTILE PROSTHESES
TRIMMING TOOL FOR TRIMMING DRAWN PARTS
METHOD FOR ENCAPSULATING SUBSTANCES
METHOD & APPARATUS FOR DISSIPATING THERMAL ENERGY
Elevator car rescue system
HEAT RADIATORS
PHOTOCHROMIC COMPOUNDS
Lawn and garden maintenance equipment
Measuring delays in a packet transmission system
INTEGRATED CIRCUIT