Method of purifying crystalline alumina and an abrasive material made thereby,申请号US19390302485-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Method of purifying crystalline alumina and an abrasive material made thereby
摘要
申请公布号	US2301706(A)	申请公布日期	1942.11.10
申请号	US19390302485	申请日期	1939.11.02
申请人	NORTON COMPANY	发明人	RIDGWAY RAYMOND R.
分类号	C01F7/46;C09K3/14	主分类号	C01F7/46
代理机构		代理人
主权项
地址

您可能感兴趣的专利

IMAGE FORMING DEVICE WITHOUT CLEANER

IMAGE FORMING DEVICE

DEVELOPING UNIT DIVIDING DEVICE AND MAGNET ROLLER UNIT DISASSEMBLING AND ASSEMBLING DEVICE

DEVELOPER REPLENISHING UNIT

DEVELOPING DEVICE

DEVICE AND METHOD FOR DISPLAYING PICTURE

GPS RECEIVING DEVICE

STRUCTURE OF MOTION SENSOR AND INTERNAL CONNECTING METHOD

PHYSICAL DISTRIBUTION MANAGEMENT SYSTEM AND DATA CARRIER FOR PHYSICAL DISTRIBUTION MANAGEMENT SYSTEM

POLYOLEFIN FILM

METHOD FOR PRODUCING (METH)ACRYLIC ACID

PARASITIC ELECTRICITY-LIGHT SIGNAL CONVERTING DEVICE FOR OPTICAL RADIO COMMUNICATION

IMITATION WINDOW

NON-WATER SUPPLY HUMIDITY CONTROL SYSTEM

AIR CONDITIONER

DIELECTRIC CERAMIC COMPOSITION AND CERAMIC CAPACITOR

REVERSING DEVICE FOR SUPPORTING BODY OF BURNING TOOL

PRIMARY BINDER FOR FIRED BRICK

AIR CONDITIONER