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
Annulus monitoring system
摘要
申请公布号
GB0400933(D0)
申请公布日期
2004.02.18
申请号
GB20040000933
申请日期
2002.08.19
申请人
KVAERNER OILFIELD PRODUCTS LTD
发明人
分类号
E21B33/035;E21B33/043;E21B33/047;E21B33/076
主分类号
E21B33/035
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PAPERRFEEDING MECHANISM OF PRINTER
DECORATIVE PLYWOOD
MANUFACTURE OF ORNAMENTAL BODY WITH EMBOSSED PATTERN
MANUFACTURE OF AGGREGATE WOOD
DRYING METHOD OF GRANULATED SLAG
MANUFACTURE OF DECORATED BOARD
APPLYING METHOD OF METALLIC PAINT
WATER RECEIVING TANK FOR ONE TANK TYPE HYDROEXTRACTING WASHING MACHINE
CONTROLLER FOR AUTOMATIC WASHING MACHINE
ELECTRIC RAZOR FOR EYEBROW
WET TYPE CLASSIFIER
FILTER SHEET ADDED WITH FINE PARTICLE AND ITS PRODUCTION
CONTROLLER FOR AUTOMATIC WASHING MACHINE
WASHING UNIT WITH WARM AIR BLOWER
COOKER
JUICER
PURIFYING METHOD OF COENZYME Q
HOOK ATTACHING JIG FOR CATTLEFISH FISHING
AUTOMATIC CHARGER WITH LOW VOLTAGE MONITORING CIRCUIT
FAULT DETECTOR FOR RECTIFYING CIRCUIT
