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 manufacture and production of lead dioxide
摘要
申请公布号
GB502194(A)
申请公布日期
1939.03.14
申请号
GB19370028599
申请日期
1937.10.20
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
C01G21/08
主分类号
C01G21/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CELLULOSIC POROUS PARTICLE
HEAT RESISTANT POSITIVE TYPE PHOTORESIST COMPOSITION, PHOTOSENSITIVE BASE MATERIAL USING IT AND PATTERN FORMING METHOD
HEAT ACCUMULATOR
PROCESSING METHOD OF ELECTROPHOTOGRAPHIC PLANOGRAPHIC PRINTING PLATE
DISTANCE MEASURING APPARATUS
COMPOSITION FOR POLYURETHANE-BASED ELASTOMER
EXHAUST EMISSION CONTROL DEVICE OF DIESEL ENGINE
METHOD FOR DECISION OF DIRECTION OF ROTATION OF MEMBER
MOUNTING FRAME OF FILTER FOR GLASSES
Gas-controlled dynamic vacuum insulation with gas gate
SCREW WITH RECESSED PART AND DRIVER BIT
Method for electrolysis of water to form metal hydride
Method and arrangement for determining the conversion performance of a catalytic converter
Data processor with clocking for various world times
Multilayer film reflector for soft X-rays
CROSSLINKED NITROGEN-CONTAINING VINYL COPOLYMER, ITS PRODUCTION, AND ITS USE
Method and apparatus for providing cryptographic protection of a data stream in a communication system
Steam transfer arrangement for turbine bucket cooling