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
Perfectionnements apportés aux équipements de forage de puits pétrolifères
摘要
申请公布号
FR1347387(A)
申请公布日期
1963.12.27
申请号
FR19630921864
申请日期
1963.01.18
申请人
发明人
WHITTLE FRANK
分类号
E21B4/02;E21B21/00;E21B21/10
主分类号
E21B4/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Bauelement für Anwendungen im Brauch- und/oder Abwasserbereich und Absperrarmatur mit einem derartigen Bauelement
METHODS AND SYSTEMS FOR REDUCING PARTICULATE MATTER IN A GASEOUS STREAM
Verfahren zur Herstellung von Halbleiterteilchen und Vorrichtung zur Durchführung des Verfahrens
A METHOD AND APPARATUS FOR MOBILE TIME-BASED UI FOR VIP
A PROPPANT
FLASHCOPY HANDLING
PROCESSING A REQUEST INTENDED FOR AN INTERACTIVE PROGRAMME GUIDE SERVER, AND ASSOCIATED RECEIVER DEVICE AND INTERACTIVE SERVER
METHOD, SYSTEM AND DEVICE FOR PROTECTING THE LINE RING
AUTOMATIC AXIS CORRECTION METHOD FOR USE IN A TREATMENT MACHINE FOR TREATING A MATERIAL WEB
CUTTING DEVICE FOR CUTTING GRAPHENE AND METHOD FOR CUTTING GRAPHENE USING A CUTTING DEVICE
APPARATUS AND METHOD FOR CONTROLLING THE FLOW OF FLUID IN A VORTEX AMPLIFIER
COLLETS FOR USE WITH VALVES
Koaxiales Kabel
Sleeve für eine Druckmaschine
ASSOCIATING GESTURES ON A TOUCH SCREEN WITH CHARACTERS
COMMUNICATION SYSTEM, IMAGE OUTPUT APPARATUS, COMMUNICATION PROCESSING METHOD THEREOF, AND COMPUTER-READABLE STORAGE MEDIUM
CINERARIUM-DERIVED CHROMOSOMAL DNA INVOLVED IN SYNTHESIS OF FLAVONOID, AND USE THEREOF
POLYACETAL RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME
Antrieb zur Verstellung von Klappen
METHOD AND SYSTEM FOR PROFILING DATA TRAFFIC IN TELECOMMUNICATIONS NETWORKS
