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
Standing wave parametric amplifiers
摘要
申请公布号
US3016492(A)
申请公布日期
1962.01.09
申请号
US19590861657
申请日期
1959.12.23
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
LANDAUER ROLF WILLIAM
分类号
H03F7/00;H03F7/04;H03K3/47
主分类号
H03F7/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Advertisement or price board.
Process for fining and/or clarifying liquids produced from plant parts.
Radio-frequency excited gas laser.
Process for preservation of vegetable products.
Gas flow silencer.
Apparatus and method for removing strontium and/or cesium ions from an aqueous solution containing chemical hardness.
Process for the selective removal of hydrogen sulfide from gaseous stream.
Modified thermal printing with lift-off correction.
Method and apparatus for encoding and direct overwriting of magneto-optic data.
Electrical circuit breaker.
Device for attaching tubes between tube plates.
HETEROCYCLIC DERIVATIVE
RADIANT TUBE BURNER.
Purification process for hybrid proteins.
Cap and neck structure for a wide mouth jar.
Methods and apparatus for time domain reflectometry determination of relative proportion, fluid inventory and turbulence.
Improvements in ventilators.
MOVING BLADE PIVOT STRUCTURE OF ELECTROMOTIVE SCISSORS
PARTIAL AIR CONDITIONER
INDUSTRIAL ROBOT HAVING DUST-PROOF STRUCTURE.