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
Improvements in or relating to thermionic valve circuits
摘要
申请公布号
GB487913(A)
申请公布日期
1938.06.28
申请号
GB19370016114
申请日期
1937.06.10
申请人
EGYESUELT IZZOLAMPA ES VILLAMOSSAGI RESZVENYTARSASAG
发明人
分类号
H03D3/22
主分类号
H03D3/22
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Video motion compensation
OPTICAL STORAGE MEDIUM INSPECTION APPARATUS, OPTICAL STORAGE MEDIUM AND REGENERATION AND RECORDING APPARATUS THEREOF
An electronic device
SPANDEX FROM POLY(TETRAMETHYLENE-CO-ETHYLENEETHER) GLYCOLS HAVING HIGH ETHYLENEETHER CONTENT
MEMORY MICRO-TILING
COMPOSITIONS AND METHODS FOR TREATMENT FOR NEOPLASMS
METHOD AND APPARATUS FOR CALCULATING LOG LIKELIGDDO RATIO IN COMMUNICATION SYSTEM
Monitoring QoS and adjusting rates for delivery of data in Peer to Peer networks.
SQUIRT GUN
Tubes and their manufacture
Pseudo reistive converter
COMPACT FOLDING SEAT
VARIABLE GAP STOP DEVICE WHICH CAN BE USED IN A SEMICONDUCTOR PROCESSING DEVICE, PROCESS THEREOF AND SEMICONDUCTOR PROCESSING DEVICE USING THE SAME
SINGLE LUMEN ADAPTER FOR AUTOMATIC VALVE
Location system and method
MEDICAL BONE PROSTHETIC MATERIAL AND PROCESS FOR PRODUCING THE SAME
INSULINS COMBINATIONS
SYSTEMS, METHODS AND REAGENTS FOR THE DETECTION OF BIOLOGICAL AND CHEMICAL AGENTS USING DYNAMIC SURFACE GENERATION AND IMAGING
Easy-type water-pressure reduction connecting device
LIQUID CRYSTAL DISPLAY DEVICE, LIQUID CRYSTAL DISPLAY DEVICE SIGNAL PROCESSING DEVICE, PROGRAM THEREOF, RECORDING MEDIUM, AND LIQUID CRYSTAL DISPLAY CONTROL METHOD
