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
Perfectionnements aux cathodes incandescentes
摘要
申请公布号
FR783739(A)
申请公布日期
1935.07.18
申请号
FRD783739
申请日期
1935.01.08
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H01J1/28
主分类号
H01J1/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Steering knuckle
Mining machine frame and cutter bar construction
Distribution of solids in air
One-piece covered container
Bouchon automatique pour tubes
Armature permettant d'appliquer une pression de précontrainte au béton
Dispositif perfectionné de conditionnement d'air
Procédé de fabrication des tubes métalliques, et machine pour la mise en oeuvre dudit procédé
Improvements in or relating to cutting blocks
Jeu de salon
Improvements in and relating to internal combustion engines and the operation thereof
Improvements in or relating to automatic control systems for oil burners
Improvements in turntable apparatus for turning articles in transit
Improvements in or relating to alarm clocks
Improvements in or relating to devices for transforming constant voltage direct current into a direct current of equal power but with variable voltage
Attachment for ladders and the like
Improvements in or relating to a fuel supply unit for internal-combustion engines
Heat power plant working on a binary process
Clothes retaining and receiving device for attachment to house doors or the like
Improvements in and relating to the prevention of corrosion of metals
