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 device
摘要
申请公布号
US2287393(A)
申请公布日期
1942.06.23
申请号
US19390311711
申请日期
1939.12.30
申请人
OTTOFY LADLIS H
发明人
OTTOFY LADLIS H.
分类号
G11B33/06
主分类号
G11B33/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
VALVE SEALING SYSTEM
TREATMENT OF AIDS
CABLE BOX
IMPROVEMENTS IN OR RELATING TO SECURITY CLAMPS
DOOR HOLDER
IMPROVEMENTS IN FASTENER DRIVING TOOLS
REINFORCEMENT AND REINFORCED STRUCTURE
CLEANING APPARATUS
COLOUR-FIX
CLAMP UNIT
TREATMENT FOR HYPERPARATHYROIDISM WITH USE OF VITAMIN D DERIVATIVES
CONCRETE STRUCTURES
VARIABLE CAPACITY WOBBLE PLATE COMPRESSOR
AIRCRAFT WHEEL AND MEANS TO REDUCE TYRE WEAR THEREOF
NECKWEAR
A MANUAL DEVICE FOR THE CRUSHING OF METAL CANS
HIGH RESILIENCE FLEXIBLE POLYURETHANE FOAMS
IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS
SENSOR FOR DETECTING AIR BORNE VEHICLE
ELECTRONIC COMPENSATION IN RING LASER GYROS
