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 and relating to the purification of silica sand
摘要
申请公布号
GB652890(A)
申请公布日期
1951.05.02
申请号
GB19480011007
申请日期
1948.04.21
申请人
VICTOR HUGH ADAMS
发明人
分类号
C03C1/02
主分类号
C03C1/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DISTRIBUTED PROCESSING-TYPE ANALYZER
DIAGNOSTIC APPARATUS MAKING USE OF IMMUNOLOGICAL TECHNIQUE
CAMERA USING FILM CARTRIDGE
AMORPHOUS MAGNETIC SENSOR
COMPARATOR CIRCUIT
PRETREATMENT OF ANALYTICAL SAMPLE BY COMBUSTION PIPE
QUANTITATIVE ANALYSIS METHOD FOR METALLIC SURFACE-OXIDIZED LAYER
METHOD AND DEVICE FOR MEASURING TEMPERATURE DISTIRUBUTION OF CUTTING TOOL
LEVEL APPARATUS
CENTRAL POSITION HOLDER FOR HIGH SENSITIVITY AND HIGH ACCURACY TYPE LEVEL
LID FOR FIREWORKS LAUNCHING CYLINDER
INSULATED TIGHTENING STRUCTURE FOR SUPPORT ARMS AND SUPPORT IN ARC FURNACE EQUIPMENT
SOLUTION SOLIDIFYING APPARATUS
ICE MAKING WATER TANK OF ICE MAKING MACHINE
PLATE TYPE VAPORIZER FOR ABSORPTION TYPE REFRIGERATOR
Method for providing an extensible register in the first and second data processing systems
Intelligent card reader having emulation features
Method and system for anti-piracy using frame rate dithering
Envelope with dual pockets
Apparatus for severing and shaping a strip of elastomeric material
