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
A TALKING CALCULATOR
摘要
申请公布号
GB8923073(D0)
申请公布日期
1989.11.29
申请号
GB19890023073
申请日期
1989.10.13
申请人
SHEN, JUSTINE
发明人
分类号
G06F3/16
主分类号
G06F3/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Keyboard method and apparatus for accented characters
Method of and device for scanning pictures
Steel having a uni-directional lamellar martensite structure in an austenite matrix
Method of removing pigment from annatto seed
Method for producing steel from sponge metal by using a gas plasma
Process and apparatus for the measurement of the factor of infra-red absorption or emission of materials
Method of manufacturing a lead alloy steel and a steel made according to the method
Apparatus for simultaneously loading a multiplicity of pins into a loading fixture for a pin insertion machine
System and method of fluorescence polarimetry
Panel wiring system
Electrical receptacle and grounding strip therefor
Bus construction
Corrugated gaskets
Elastomeric rotor load reaction system
Surge control for centrifugal compressors
Optical apparatus for varying focal power along one principal meridian while maintaining constant focal power along the other principal meridian
Apparatus for refining molten aluminum
Multifeed detector
Locking ball valve
Rotary foodstuff mill and milling process
