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
Surge limiting circuit
摘要
申请公布号
US2002617(A)
申请公布日期
1935.05.28
申请号
US19330659413
申请日期
1933.03.02
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
STURDY WILLIAM WERNER
分类号
H02H9/00
主分类号
H02H9/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OPTICAL SYSTEM PROVIDED WITH DIFFRACTION OPTICAL DEVICE
CRYOGENIC CONTAINER FOR SUPERCONDUCTING QUANTUM INTERFERENCE DEVICE STORAGE
CONTINUITY INSPECTING DEVICE
MONITORING CIRCUIT
ACCELEROMETER
LCD HOLDER
NUCLEAR SPALLATION CONTAINER IMPACT FORCE PREVENTING MECHANISM
RECEIVER WITH PHASE CORRECTING FUNCTION, PHASE DIFFERENCE CORRECTING METHOD, PHASE DIFFERENCE DETECTING DEVICE, AND RADIO WAVE DIRECTION FINDER
METHOD AND INSTRUMENT FOR MEASURING FREQUENCY SHIFT
DEVICE FOR MEASURING MOISTURE INSIDE PACKAGING CONTAINER
MATERIAL TESTER HAVING TENSILE TESTING FUNCTION
LIQUID QUANTITY MEASURING METHOD AND LIQUID QUANTITY MEASURING DEVICE
STRAIN SENSOR
HEAT EXCHANGER
WARM AIR HEATING APPARATUS WITH AIR CLEANER
BLOWOFF CHAMBER OF AIR CONDITIONING SYSTEM
DEVICE FOR INSPECTING DEFECT OF FILM
INSPECTING METHOD OF HOUSE AND REFLECTOR USED FOR IT
FILM THICKNESS MEASURING METHOD AND ITS DEVICE
PATTERN INFORMATION MEASURING DEVICE