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
CAVITATIONAL DRILLING UTILIZING AN ACOUSTIC GENERATOR AND AN ACOUSTIC CONCENTRATOR
摘要
申请公布号
US3545552(A)
申请公布日期
1970.12.08
申请号
USD3545552
申请日期
1968.12.12
申请人
MOBIL OIL CORP.
发明人
FRANK A. ANGONA
分类号
E21B7/18;E21B7/24;(IPC1-7):E21B7/18
主分类号
E21B7/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
TORQUE CONVERTER WITH BRAKING MEANS
VENDING MACHINE COMBINED WITH CAMERA MEANS
BED PAN PAD
DRAWING-TABLES WITH VERTICALLY ADJUSTABLE DRAWING-BOARD
DEVICE FOR STRENGTHENING OUTDOOR AERIAL MASTS
Nuclear fuel element leak detector
System for large-area display of two-color information
Method and apparatus for assembling a semi-conductor
Spark-gap arrangement for lightning arresters
Method of obtaining pure silicon by fractional crystallization
Germicidal detergent composition
Method of making bifocal lenses
Preparation of 21-methyl-delta4-pregnene-17alpha-ol-3, 20-dione and intermediates
Process for acyloxylating 20-keto steroids
Copolymers of vinyl chloride with phosphite esters
Internal combustion engine operating with self ignition
Indicator system for a liquid supply system
Multiplex stereophonic transmitting and receiving system
Light projector
Process for the production of alpha, beta-unsaturated acids of the vitamin a series
