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 the treatment of organic acid anhydrides
摘要
申请公布号
GB494214(A)
申请公布日期
1938.10.21
申请号
GB19370034757
申请日期
1937.12.15
申请人
BRITISH CELANESE LIMITED
发明人
分类号
C07C51/573
主分类号
C07C51/573
代理机构
代理人
主权项
地址
您可能感兴趣的专利
VARIABLE-CAPACITY TYPE PUMP FOR POWER STEERING
SINGLE CRYSTAL FOR MAGNETOOPTIC EFFECT TYPE ELEMENT
HEAT-SENSITIVE RECORDING MATERIAL
MINERAL FIBER-APATITE BAKED COMPOSITE BODY
NON-PERMEABLE CARBON MATERIAL MANUFACTURE
MANUFACTURE OF FIBER REINFORCED SILICON CARBIDE SINTERED BO-DY
MEDICAL GLOVE
CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE AND AUTOMATIC SPEED CHANGE GEAR
EXHAUST GAS CONTROLLING CATALYZER FOR INTERNAL-COMBUSTION ENGINE
STOP KEY FOR VALVE PLUNGER OF SURBO MOTOR
GEARING UNIT FOR CLUTCH FOR AUTOMOBILE
DISCHARGE MECHANISM FOR SHEET-SHAPED MATERIAL
RUBBER ROLLER FOR TRANSPORTING PAPER SHEET
BLIND TYPE REAR FENDING GUIDE BOARD FOR SAPONIUS WIND MILL
PARALLEL HOLE COLLIMATEUR
MOLDING BALL SOCKET TERMINAL DEVICE WITH CONNECTING BELT
METHOD FOR LOADING MAGAZINE WITH WORKS IN CONTINUOUS FEED USING CONVEYOR AND BUFFER DEVICE THEREFORE
DEVICE FOR SEALING UP SHAFT OF AXIAL-FLOW ROTARY MACHINE
DEVICE FOR DISPLAYING COMPENSATION VALUE OF FUEL INJECTION TIMING SENSOR
FUEL INJECTION DEVICE