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
Process of directly producing phonogram carriers suitable to be played off
摘要
申请公布号
US1754935(A)
申请公布日期
1930.04.15
申请号
US19280290685
申请日期
1928.07.05
申请人
SIGMUND KATSCHER
发明人
CHMIELOWSKI ALFRED
分类号
G11B3/70
主分类号
G11B3/70
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 tiltable block bearings
Improvements in ring spinning and doubling frames
Improvements in or relating to machines for packing cigarettes
Improvements in belt pulleys for power transmission
Improvements in devices for drying and storing safety razors
Improvements relating to the mounting of vertical partitions in furniture such as drawer and tray fixtures or housings
Improvements in or relating to wetting, penetrating, foaming and dispersing agents
Improvements in hose couplings
Improvements in or relating to mercury vapour rectifiers
Improvements in or relating to process and apparatus for treating yarns or filaments
Lead cable press for producing lead cables of varying sizes
Improvements in spigot-and-socket pipe joints
Improvements relating to tube cleaners
Improvements in steam generators and water heaters
Improvements relating to dart boards
Improvements in or relating to apparatus for recording sound waves on a photo-sensitive support
Improvements in and relating to advertising or display devices or the like
Improved free-wheel coupling
Improvements in or relating to sound film reproducing apparatus
Vorrichtung zur Zerkleinerung broeckligen Gutes