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
Purification of naphthalene
摘要
申请公布号
GB782088(A)
申请公布日期
1957.08.28
申请号
GB19560005767
申请日期
1956.02.24
申请人
YORKSHIRE TAR DISTILLERS LIMITED
发明人
MILNER DAVID WILLIAM;HOLDSWORTH ERNEST CLIFFORD
分类号
C07C7/14
主分类号
C07C7/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PROCESS FOR PRODUCING FOAMING COMPOSITION_______________________
IMPROVEMENTS RELATING TO CEMENTITIOUS MIXES
Durchlaufofen
OPTICAL CARD READER
CREATINE KINASE MB DETERMINATION METHOD
JOGGERS AID
PRODUCTION OF METAL SPRAY DEPOSITS
FLIGHT CONTROL SYSTEM EMPLOYING COMPLEMENTARY FILTER
A BEER TAPPING INSTALLATION
BAG HANDLE
DEVICE FOR PHOTO-SURGERY IN PARTICULAR FOR KERATOTOMY OF THE CORNEA
A CASSETTE RECORDING OR NON-RECORDING INDICATING MECHANISM
Fitting for an adjustable backrest of a seat
PHOTOCHROMIC MATERIAL, PHOTOCHROMIC ELEMENT AND METHOD OF RECORDING AND ERASING DATA
PHASE CONTROLLED INCREMENTAL DISTANCE MEASURING SYSTEM
VERFAHREN ZUR HERSTELLUNG VON MODIFIZIERTEM HOLZWERKSTOFF
REDUZIERVENTIL
FREMGANGSMAADE TIL FREMSTILLING AF TEKSTILBEKLAEDNINGER, DER ER SVEJST VED HJAELP AF ULTRALYD, APPARAT TIL BRUG VED UDOEVELSE AF FREMGANGSMAADEN OG PRODUKTER TILVEJEBRAGT VED DENNE
MULTI -PIN STUB AXLE FOR CONVERTING A THREE -AXIS CAR INTO A FOUR AXIS
Multi-fuel carburettor for an internal combustion engine
