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
Устройство для записи звука на непрозрачных поверхностях
摘要
申请公布号
SU31648(A1)
申请公布日期
1933.08.31
申请号
SU19310085714
申请日期
1931.03.26
申请人
KURZHIYAMSKIJ M.S.;SVETOZAROV B.F.;SKVORTSOV B.P.;YURCHENKO V.P.
发明人
KURZHIYAMSKIJ M.S.;SVETOZAROV B.F.;SKVORTSOV B.P.;YURCHENKO V.P.
分类号
G11B11/03
主分类号
G11B11/03
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Improvements in or relating to machine for sorting articles
Improvements in and relating to pit prop setting means
A bar-type heating element for electric water heating apparatus
Improvements in or relating ti a method of and means for investigating and controlling the tension or compression of stock between two or more roll stands in continuous mill trains
Improvements in electrical connector blocks
Timing circuit
Improvements relating to alternating current power supply circuits
Improved safe receptacle for money
Soft package and method for its production
Improvements in or relating to folding chairs
Improvements in and relating to crank shaft grinding machines
Improvements in or relating to the production of refractories
Improvements relating to the hanging of refractory bricks
High refractive index glass
A circular loom
Procédé de préparation de dérivés de la benzo(a)quinolizine.
Improved dice game
Radio navigation systems
Improvements in or relating to film drive means for sound recording and reproducing apparatus
Improvements in or relating to fuel cells