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
THERMIONIC VALVE AMPLIFIER
摘要
申请公布号
CA377365(A)
申请公布日期
1938.11.01
申请号
CAD377365
申请日期
申请人
CANADIAN MARCONI COMPANY
发明人
FRANCIS MONEY GRAHAM MURPHY;NOEL MEYER RUST
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ANALYSIS OF LIPOPROTEINS IN PLASMA OR SERUM OF BLOOD BY METHOD OF SMALL-ANGLE X-RAY SCATTERING
METHOD MEASURING MEAN VALUE OF PARAMETER, SPECIFICALLY TEMPERATURE, OF HETEROGENEOUS MEDIUM
INDUCTIVE DISCRETE LEVEL GAUGE
METHOD OF TEST OF THERMAL EFFICIENCY OF HEAT-EXCHANGING APPARATUS
DEVICE FOR REPLACEMENT OF PIPE LINES WITHOUT DIGGING-OUT TRENCHES
PYROTECHNIC DRAINAGE VALVE
IGNITION SYSTEM
FUEL INJECTION PUMP
DYNAMIC SKIMMER
METHOD FOR ISOLATION OF BRINE WATER INFLOW
DEVICE FOR OPENING AND TREATING OF BOTTOM-HOLE ZONE OF WELL
UNIVERSAL SUBSURFACE TOOL
BINDING AGENT FOR PLUGGING SOLUTIONS
COLLAPSIBLE TENT
METHOD AND MATERIALS FOR BUILDING ROAD AND AIRFIELD PAVEMENTS WITH CAST VIBRATION-COMPACTED ASPHALTIC-CONCRETE MIX
NEEDLE MECHANISM OF ZIGZAG-TYPE SEWING MACHINE
METHOD FOR PRODUCTION OF SILVER-METAL OXIDE MATERIAL AND SILVER-METAL OXIDE MATERIAL
SOLID LUBRICANT FOR METAL ABRASION
ORGANIC DYES CAPABLE OF FORMING LYOTROPIC LIQUID CRYSTALLINE PHASE FOR DICHROIC LIGHT POLARIZERS
TRANS-1,4-POLYISOPRENE-BASED THERMOPLASTIC MATERIAL