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
Improvement in process of and apparatus for separating minerals from gangue
摘要
申请公布号
GB501658(A)
申请公布日期
1939.02.28
申请号
GB19370023779
申请日期
1937.08.31
申请人
E. I. DU PONT DE NEMOURS AND CO.
发明人
分类号
B03B5/36;B03B11/00
主分类号
B03B5/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OPTICAL TRANSMISSION APPARATUS AND OPTICAL RECEIVING APPARATUS WITH REDUCED DEPENDENCE ON ELECTRIC DEVICE
FAULT DIAGNOSIS METHOD FOR ROTATION SPEED SENSOR FOR OUTPUT SHAFT OF MOTOR VEHICLE TRANSMISSION
MICROORGANISM CORYNEBACTERIUM AMMONIAGENES CJIP009 BEING CAPABLE OF PRODUCING 5'-INOSINIC ACID IN HIGHER YIELD AND A PRODUCING METHOD OF 5'-INOSINIC ACID BY USING THE SAME
METHOD FOR OPTIMALLY SEARCHING FOR DS-CDMA SIGNAL COMPOSED OF PILOT SYMBOL AND CONTROL SYMBOL IN TIME DIVISION AND APPARATUS THEREBY
METHOD FOR CONTROLLING FLOW BY USING ACTIVE NETWORK TECHNIQUE IN MULTIPOINT COMMUNICATION
PAPER MONEY DISCRIMINATING APPARATUS
ONE STAGE VOICE MESSAGING SYSTEM INCLUDING FREE PHONE FUNCTION
METHOD FOR CONSTRUCTING INPUT DEVICE OF PDA
TELEMETERING DATA COLLECTING METHOD USING INDOOR LINE EXCEPT POWER LINE
METHOD FOR PERFORMING RATED CLEANING REGIME AND ERROR RECOVERY AT FILE SYSTEM USING FLASH MEMORY
DISTRIBUTED GEOGRAPHIC INFORMATION PROCESSING COMPONENT SYSTEM AND METHOD
DEVICE FOR COMPENSATING OPTICAL LINE FOR LOSS VARIATION
PHONE ANNOUNCEMENT AUTOMATIC INTERPRETING SYSTEM AND METHOD FOR FOREIGNERS
METHOD FOR CONTROLLING DECELERATION OF AUTOMATIC SHIFT CAR BEFORE STOP OF CAR
VEHICLE SATELLITE BROADCASTING ANTENNA SYSTEM
MANUFACTURE OF REGENERATIVE THERMAL MAGNETITE BRICKS
METHOD FOR SYNCHRONIZING FINANCE MANAGEMENT SOFTWARE FOR MOBILE PHONE WITH WEB DATABASE BASED ON INTELLIGENT PERSONALIZED ACCOUNT
SUCTION HOLE STRUCTURE OF OIL FILTER
GEAR STATE DIAGNOSIS METHOD USING FREQUENCY MODULATION METHOD
METHOD FOR FABRICATING NANO CRYSTAL USING FOCUSED ION BEAM
