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
Ror-lofteklave med roterende dor
摘要
申请公布号
NO20061664(A)
申请公布日期
2006.10.16
申请号
NO20060001664
申请日期
2006.04.11
申请人
NATIONAL-OILWELL LP
发明人
DRZEWIECKI LOPEK
分类号
E21B19/00;E21B19/14
主分类号
E21B19/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SOCKET FOR INTEGRATED CIRCUIT
SPEECH FILE
SHIELDING STRUCTURE IN RADIATION MONITOR SYSTEM
RECORDING SYSTEM
PRESSURE FIXING DEVICE
SCROLL FLUID MACHINE
CARBURETOR FOR INTERNAL COMBUSTION ENGINE
ROTOR BLADE OF TURBINE
METHOD OF BRANCHED PICKINGGOUT
EXHAUST RETURN CONTROL DEVICE FOR INTERNAL COMBUSTION DEVICE
INTERNAL COMBUSTION ENGINE
LUGGAGE TRANSPORT TOOL THAT CAN BE FOLDED
CONSTANTLYYCONDUCTIVE MAGNETIC FLOATING CAR THAT CAN MUTUALLY BE EXTENDED INTO GENERAL RAILWAY
CHAIN TENSIONER OF AUTOBICYCLE
MANUFACTURE OF SEMICONDUCTOR DEVICE
MANUFACTURING SEMICONDUCTOR DEVICE
DETECTING METHOD OF NUMBER OF REVOLUTION
METHOD OF MEASURING LEAKED WATER AMOUNT
MEASURING DEVICE FOR SHEARING STRESS
METHOD OF MANUFACTURING CAPACITOR
