Tool-joints for drilling strings,申请号US19670676585-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Tool-joints for drilling strings
摘要
申请公布号	US3419289(A)	申请公布日期	1968.12.31
申请号	US19670676585	申请日期	1967.10.19
申请人	MINISTERUL PETROLULUI	发明人	LARI IOAN
分类号	E21B17/046;F16D1/02;F16L37/138	主分类号	E21B17/046
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Device for adjusting volume of air

Selegiline-containing adhesive preparation

METHODS AND COMPOSITIONS FOR THE TREATMENT OF CANCER

URETHANE-FORMING REACTION CATALYST AND METHOD FOR PRODUCING URETHANE MATERIAL

FLUID CONTAINER UNIT

D 1413 HT RADIATION CURABLE COATINGS FOR OPTICAL FIBER

Connection element and connection system for connecting concrete guide walls

AMIDINE DERIVATIVE

PARTITION DEVICE

Wireless detector with a processor

ELECTROSTATIC ATOMIZER

APPARATUS FOR ELECTRIC TREATMENT OF FLUIDS

CRIMES AND DISASTERS PREVENTING SYSTEM

BALANCE PERTURBATION SYSTEM AND TRAINER

METHOD FOR A RATIONAL CELL CULTURING PROCESS

WRAPPING METHOD AND UNIT FOR FOLDING A SHEET OF WRAPPING MATERIAL ABOUT A GROUP OF CIGARETTES

POLY(AMINO-ALCOHOL)-SILICA HYBRID COMPOSITIONS AND MEMBRANES

INKJET RECORDING DEVICE