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
Vorrichtung zum Halten und Abdichten eines Rohrstranges im Verrohrungskopf eines Tiefbohrloches
摘要
申请公布号
DE1142326(B)
申请公布日期
1963.01.17
申请号
DE1956C013982
申请日期
1956.11.17
申请人
CAMERON IRON WORKS, INC.
发明人
ALLEN HERBERT
分类号
E21B33/04
主分类号
E21B33/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LIQUID-COOLING SYSTEM FOR A CHARGED INTERNAL-COMBUSTION ENGINE
OIL-COOLED PISTON FOR INTERNAL-COMBUSTION ENGINES
DEVICE FOR CONTINUOUSLY TRANSPORTING AND TURNING WORK PIECES
REFRIGERATOR CONTAINER OR REFRIGERATED CAR BODY CONTAINER
ELEKTROMECHANICAL BALANCE WITH MULTIPLE LEVEL TRANSMISSION
FUEL INJECTOR
FILTRATION WITH BIOGENETIC SILICA
A POWER CONVERSION APPARATUS
PROCESS FOR PREPARING FERROMAGNETIC FINE PARTICLES FOR MAGNETIC RECORDING
DEVICE FOR ADJUSTING THE ORIENTATION OF HEADLIGHTS OF MOTOR-VEHICLES
PRODUCT COMPRISING AN ORGANIC COMPOUND OF SILICIUM COMBINED WITH A COSMETIC ACTIVE SUBSTANCE
REMOVABLE PRESSURE-SENSITIVE ADHESIVE TAPE
NOVEL SILOXANE MALEIMIDES
PAPER FEEDER FOR A PRINTER
CURRENT LIMITING ELECTRIC SWITCHING DEVICE
METHOD FOR THE THERMAL TREATMENT OF SINTERED METAL PERMANENT MAGNETS
UPGRADING OF GREEN COFFEE
NARROW RANGE ALKANOL ALKOXYLATES
DIELECTRIC MICROMECHANICAL ELEMENT
DOCUMENT FEEDER FOR MOVING PLATEN COPIERS
