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
Acoustic decremeter
摘要
申请公布号
US1953157(A)
申请公布日期
1934.04.03
申请号
US19310565180
申请日期
1931.09.25
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
DIETZE EGINHARD;JR. WALTER D. GOODALE,
分类号
G01H7/00
主分类号
G01H7/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
KEEPING DEVICE FOR PROPER DISTANCE BETWEEN CARS RUNNING IN SAME DIRECTION
COLOR INK PRINTING METHOD
APPLICATION SHEET FOR BLOOD FLOW ACCELELATOR
METHOD FOR SUPPRESSING AUTOGENESIS, PARASITISM AND PROPAGATION OF ANIMAL AND VEGETABLE ON SPECIFIC PART OF GROUND SURFACE
CONTROLLER FOR PLANTING DEPTH OF TRANSPLANTER
POSITIVE AND REVERSE PATTERN GENERATOR FOR CUSHION CIRCUIT
VOLTAGE CONTROL CIRCUIT
CERAMICS MOTOR
SIGNAL PROCESSING CIRCUIT
CLEANER OF UPRIGHT TYPE
ANTISLIPPING DEVICE FOR TIRE
CONTROLLING CIRCUIT OF INVERTER
FLAZANYL UREA
ULTRASONIC SUCTION APPARATUS
PATTERN REFERENCE SYSTEM
PRINTER
SIGNAL GENERATOR
CATHETER TYPE FIBERSCOPE
METHOD FOR PURIFYING DIALKYLAMINOETHANOL
METHOD FOR CONTROLLING OXYGEN CONCENTRATION IN SILICON SINGLE CRYSTAL
