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
Acoustic lens
摘要
申请公布号
GB2127657(A)
申请公布日期
1984.04.11
申请号
GB19830024778
申请日期
1983.09.15
申请人
* NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
NICHOLAS DOUGALL * JOHNSON
分类号
G10K11/28;(IPC1-7):B06B3/04
主分类号
G10K11/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Fragrance delivery systems
Cholinesterase inhibitors for treatment of parkinson's disease
Method and apparatus for measuring acoustic power flow within an ear canal
Flexible coupling having re-entrant curved columns for maintaining high torsional rigidity despite misalignment
Butyric acid matrix metalloproteinase inhibitors
Signalling method and a digital radio system
Inflatable device with pressure limiting valve
Improvements to eolian energy production systems
Preventive/remedy for frequent urination and urinary incontinence
Diagnostic test container
Biodegradation of explosives
Self-closing cover element and storage system provided with cover element of this kind as a cover
Gas sparger for a suspension reactor and use thereof
Reducing switching losses in series connected bridge inverters and amplifiers
Electronic speed control system intended to houshold appliances either actuated by variable reluctance or induction motors
Combustion burner and combustion device provided with same
Artificial rheumatic pannus tissues and diagnostic method for detecting rheumatoid arthritis
Disposable undergarment waistband and method of forming same
Removable sealing closure with closure attachment means
A water carbonating device
