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
Improvements in logarithmic calculators
摘要
申请公布号
GB578558(A)
申请公布日期
1946.07.03
申请号
GB19430017589
申请日期
1943.10.26
申请人
GEORGE MARSDEN MACDONALD
发明人
分类号
G06G1/10
主分类号
G06G1/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PLUGING DEVICE FOR DRAINAGE HOLE
COMPOSITION FOR CONTROLLING PLANT DISEASE CONTAINING GALLA CHINENSIS EXTRACT AS EFFECTIVE COMPONENT AND USES THEREOF
AIR COMPRESSION USE OF BEE PORTABLE COLLECTING EQUIPMENT
PORTABLE APPARATUS FOR SUPPLYING SCENT
CONTAINER FOR PACKING COMPONENT OF WIND TURBINE
PERFUME RECEPTACLE
SIMPLIFICATIONS ON DISPARITY VECTOR DERIVATION AND MOTION VECTOR PREDICTION IN 3D VIDEO CODING
APPARATUS AND METHOD FOR GENERATING 3D STATISTICS BASED ON GAME MAP FOR MONITORING THE ONLINE GAME
BLOWER UNIT OF AIR CONDITIONER FOR VEHICLE
WEARABLE TOUCH DEVICE
CONTORLLED RELEASE FORMULATION FOR THE GASTRORETENTIVE DRUG DELIVERY SYSTEM
MAGNETISM SUPPRESSING SHEET AND MANUFACTURING METHOD THEREOF
MANUAL PULSE GENERATION APPARATUS AND PULSE OUTPUT METHOD
SEMICONDCUTOR MEMORY DEVICE PERFORMING SELF REPAIR OPERATION
AUDIO SIGNAL RECOGNITION METHOD AND ELECTRONIC DEVICE SUPPORTING THE SAME
APPARATUS AND DEVICE FOR POSITION MEASURING OF ELECTRONIC APPARATUSES
APPARATUS AND METHOD FOR FEEDING HYBRID AUTOMATIC RETRANSMIT REQUEST IN A WIRELESS COMMUNICATION SYSTEM
VERSATILE PEG
STAGE FIRECURTAIN EQUIPMENT BY SUB-WEIGHT AND CONTROL METHOD
INFORMATION DISPLAY APPARATUS FOR MACHINE TOOLS
