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
Process for the production of phenolates by the alkali fusion of aromatic sulphonic acids
摘要
申请公布号
GB358953(A)
申请公布日期
1931.10.15
申请号
GB19300011237
申请日期
1930.04.09
申请人
ALBERT HEMPEL
发明人
分类号
C07C37/04
主分类号
C07C37/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PSEUDO-PAPER LOADING DEVICE
OPERATION TESTING DEVICE OF ELEVATION RESTRICTING DEVICE FOR ELEVATOR
DISPLAY DEVICE
TRANSFER DEVICE
UNITIZED TRANSFER DEVICE
NON-CONTACT CARRYING DEVICE
IN-CAR DISPLAY DEVICE OF ELEVATOR
ELEVATOR SECURITY SYSTEM
LID OPENING AND CLOSING TOOL
PACKAGING BOX
FILM FEED ROLLER
PAPER PROCESSING DEVICE
POWDER FILLING METHOD AND POWDER FILLING DEVICE
PAPER BAG BINDER
BRAKE CONTROL SYSTEM FOR VEHICLE
VEHICULAR SEAT AIR-CONDITIONER
JACK-UP PART STRUCTURE
BEAD FILLER INSPECTION DEVICE
CORE BAR STRUCTURE OF STEERING WHEEL
PNEUMATIC RADIAL TIRE