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
Phonographic recording
摘要
申请公布号
US1783761(A)
申请公布日期
1930.12.02
申请号
US19250072904
申请日期
1925.12.03
申请人
DICTAPHONE CORPORATION
发明人
WORRELL HOWARD SELLERS
分类号
G11B5/76;H04R11/08
主分类号
G11B5/76
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Terminal Equipment and storage medium for process user message
LEAD-FREE SOLDER, SOLDER PASTE AND SEMICONDUCTOR DEVICE
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
OPTICAL FILM COMPRISING LUMINESCENT MATERIAL AND BACK LIGHT UNIT COMPRISING THE SAME
APPARATUS AND METHOD FOR THE PLASMA COATING OF A SUBSTRATE, IN PARTICULAR A PRESS PLATEN
자기력분 + 발생 중력기
Apparatus for analyzing complex sentence, and recording medium therefor
CORROSION CONTROL IN AMMONIA EXTRACTION BY AIR SPARGING
SYSTEMS AND METHODS FOR ESTIMATING BLOOD FLOW CHARACTERISTICS FROM VESSEL GEOMETRY AND PHYSIOLOGY
Method and system for providing contents
WIRE DEVICE FOR PET
Manufacturing method of metal sheet using 3D-printing and the metal sheet
DEVICE FOR REMOVING CHIP IN GAS PIPE
Laccase from Pleurotus eryngii KCCM 90103
LNG SHIP WITH HIGHER HEATING VALUE CONTROL DEVICE AND CONTROL METHOD OF LNG HIGHER HEATING VALUE
Power factor controller and the method thereof
Printed circuit board
Mobile camping car for one-seater
METHOD FOR PREPARING POLYAMIDE AND POLYAMIDE PREPARED BY USING THE SAME
double bottle and manufacturing methods thereof
