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
Sound recording system
摘要
申请公布号
US2018374(A)
申请公布日期
1935.10.22
申请号
US19340737347
申请日期
1934.07.28
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MACNAIR WALTER A.
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PRINTER AND COPYING MACHINE
POLYELECTROLYTE AND PROTON-CONDUCTING MEMBRANE
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM
REMOTE UPDATE SEQUENCE FOR CONTROL PROGRAM
POWER CONTROL METHOD IN PERIPHERAL APPARATUS
DIRECT PRINTING SYSTEM
SERVER DEVICE, PRINTER, PRINT SYSTEM, PRINT METHOD, PROGRAM AND STORAGE MEDIUM
ELECTRODE FOR LITHIUM ION BATTERY, ITS MANUFACTURING METHOD, AND LITHIUM ION BATTERY
USE OF GLASS COMPOSITION FOR ACHIEVING ANTIOXIDATIVE EFFECT
BAIT
MOBILE TERMINAL DEVICE AND DISPLAY/SPEECH CONTROL METHOD USED THEREFOR, AND PROGRAM THEREOF
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
MICROREACTOR
Battery cathode
Apparatus and method for measuring natural period of liquid
Wire bond package and packaging method
Use of nanoscalar water-soluble beta-(1,3) glucans
Apparatus and method for program selection utilizing exclusive and inclusive metadata searches
Protective device for antifriction bearing with rotational speed measurement
通风设备之轴承座结构改良
