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
HEARING AID
摘要
申请公布号
JPH0495500(A)
申请公布日期
1992.03.27
申请号
JP19900213305
申请日期
1990.08.10
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
HOSAKA HIROSHI;TAKANO RIKUO;ONO YOSHIAKI;ONISHI SHINJIRO
分类号
H04R25/04;H04R25/00
主分类号
H04R25/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
APPARATUS & PROCESS FOR SOLIDS-FLUID SEPARATION
AIR FILTRATION SYSTEM FOR DUCTED RANGE HOODS
CAMERA MOUNTING SYSTEM
SEQUENCING NUCLEIC ACIDS
METHOD OF MAKING ORGANOSILOXANE RESINS
ROOFING TILES
SHEET METAL STRUCTURES
DETERGENT FORMULATIONS
PULSE MEASURING CIRCUIT
CAVITY WALL INSULATORS
A DEVICE OF OPENING OR AUTOMATIC TRIGGER ACTIVATED BY WATER PRESSURE SUBMERGED
BOARD GAME
IMPROVEMENTS RELATING TO WEEDING DEVICES
JOINTING OPTICAL FIBRE CABLES
IMPROVEMENTS IN OR RELATING TO PIPE LINING
SIGNS AND HOARDINGS LIT BY CONTRAST OF STENCIL AND TRANSLUCENT MATERIAL AND WITH ENTRAPPED NATURAL OR ARTIFICIAL LIGHT
MACHINE FOR DRILLING TAPHOLES OF A SHAFT FURNACE
A WATER TRAP OF THE INNER-SYPHON KIND
HEAT EXCHANGERS
LACE GRIP
