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
摘要
申请公布号
JPS57163874(U)
申请公布日期
1982.10.15
申请号
JP19810049993U
申请日期
1981.04.07
申请人
发明人
分类号
H04R17/00;H04N5/60;H04N5/66;(IPC1-7):H04N5/66
主分类号
H04R17/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PRODUCTION OF Al-Mg-Si ALLOY WIRES.
POLYGLYCOL ETHER, NON-IONIC DETERGENT.
VACUUM BOTTLE
SWELLING TYPE GROUND RESISTANCE DECREASING AGENT
ROTARY TYPE PROCESSING PLANT
MAGNIFYING LENSE SYSTEM IN ELECTRON MICROSCOPE
CIRCUIT FOR FIRING PARALLEL CONNECTED CONTROLLABLE ELECTRIC VALVE
DISC ADAPTER OF DISC BRAKE ASSEMBLY
THIN FILM LIGHT EMITTING ELEMENT
METHOF OF CONTROLLING OSCILLATION FREQUENCY OF CRYSTAL OSCILLATORS
DEVICE FOR LOOPING SHORT FILAMENT COTTON IN SHORT CYLINDRICAL COTTON LUMP
Composition for preparing a high complete protein wheat bread
Dentifrice
Dewaxing of vegetable oils
Aminoalkylating polymer containing plurality of {13 CO{13 NH{13 {0 amide groups as integral parts of main polymer chain
Catalyst removal from polyphenylene ether reaction solutions by bisulfate extraction
Double bottom tank structure with sleeved strainer means
Anode jack stop limit
Support and cleaning means for guide fingers of corrugator
Apparatus and improved method of bonding a polarizing film to an optical substrate without distorting the uniform direction of polarization