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
Electrometer amplifier tube
摘要
申请公布号
US2701319(A)
申请公布日期
1955.02.01
申请号
US19500196553
申请日期
1950.11.20
申请人
RADIATION RESEARCH CORPORATION
发明人
COLEMAN JOHN H.
分类号
H01J31/06
主分类号
H01J31/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Vehicle power supply device and method for producing vehicle power supply device
Rotation axis, digital device and USB device
Crankcase and main bearing cap construction
OVERMOLDED CONTAINER HAVING A FOAM LAYER
CONNECTOR FOR COUPLING ADJACENT MEMBERS
DEVICE WITH AUTO-SLIDE KEYPAD
Fuel line and method for producing same
LUBRICANT COMPOSITION
FORMING ELECTRICALLY INSULATIVE REGIONS
BIOCOMPATIBILITY LAYER, AND COATED OBJECTS
A METHOD OF PACKAGING TOBACCO MOLASSES, AND A RELATIVE SYSTEM
Tape Dispenser
Recording apparatus, write-once recording medium and reproducing apparatus
Location determination for mobile devices in emergency situations
Blade structure for torque converter and process for producing the same
Optical information recording medium, optical information recording method, and optical information recording apparatus
METHOD FOR CONTROL OF SUPPORT GAPS FOR A MAGNETIC LEVITATION VEHICLE AND MAGNETIC LEVITATION VEHICLE WITH A CONTROL CIRCUIT OPERATING WITH SAID METHOD
RECOVERY OF A GASEOUS COMPONENT FROM A MIXTURE OF GASEOUS COMPOUNDS
Printed circuit board
METHOD FOR LIMIT USE OF SPECIFIC MODULE IN MOBILE COMMUNICATION TERMINAL