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
Math cube system for teaching negative number concepts
摘要
申请公布号
GB9819410(D0)
申请公布日期
1998.10.28
申请号
GB19980019410
申请日期
1998.09.04
申请人
STEANE, DOUGLAS A
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PROCEDIMIENTO Y DISPOSITIVO DE GENERACION DE MICROESTRUCTURAS MEDIANTE PLAQUEADO LASER ASI COMO MICROESTRUCTURAS GENERADAS.
SYSTEM AND METHOD FOR CONTROLLING TEMPERATURE IN A FOREHEARTH
METHOD AND ARRANGEMENT FOR BLIND DEMULTIPLEXING A POLARISATION DIVERSITY MULTIPLEX SIGNAL
COOLING FOR SUPERCONDUCTING MACHINES
ELECTRICAL TERMINAL BLOCK AND USE OF SAID TERMINAL BLOCK
BINARY FOAMING CLEANER AND DISINFECTANT SOLUTION
CALCIUM-SENSING RECEPTOR-ACTIVE COMPOUNDS
PANTS-TYPE DISPOSABLE DIAPER
Drive orientation for a bicycle
RUBBER COMPOSITION
SPINULOSE SURFACES
Support structure for cooling unit for vehicle
Holder unit for a video centring system
Three-dimensional (3D) color display system
MOBILE TERMINAL DEVICE AND EVENT NOTIFICATION METHOD THEREOF
Pumping impeller oil seal
Ink container and image forming apparatus incorporating same
METHOD FOR FAST COMMUNICATION BETWEEN INSIDE AND OUTSIDE OF BODY USING ANALOG ELECTRICAL SIGNAL AND SYSTEM THEREOF
A SYSTEM FOR MONITORING DPF USING WIRELESS COMMUNICATION
METHOD AND SYSTEM FOR CLEANING AN ARTILLERY GUN BARREL