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 wattmètres pour haute fréquence
摘要
申请公布号
FR51674(E)
申请公布日期
1943.03.19
申请号
FRD51674
申请日期
1941.07.10
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
G01R21/00
主分类号
G01R21/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD OF PICKING OUT CUT PEAT
HYDRAULIC PERCUSSIVE MECHANISM
ARRANGEMENT FOR CLEARING THE HOLE-BOTTOM ZONE OF FORMATION
ARRANGEMENT FOR DECLAYING AND MUD GROUTING OF WELL WALLS
APPARATUS FOR CLOSING-OFF PIPE STRING
SYSTEM OF INTERNAL COMBUSTION ENGINE COOLING
METHOD OF MINING SLOPING ORE DEPOSITS
METHOD OF PLUGGING HOLES
LUBRICATOR
CORE-BREAKING DEVICE
CORE DRILL
APPARATUS FOR MAKING HOLES IN EARTH
ARRANGEMENT FOR AUTOMATIC CLOSING OF DOORS
HEATED ATTIC OF MULTISTOREY BUILDING
OUTER STAIRCASE BLOCK
METHOD AND APPARATUS FOR HYDRAULIC DEPOSITION OF STACK
ARRANGEMENT FOR PROTECTING BALLAST TANK OF FLOATING OBJECT FROM ICE
ARRANGEMENT FOR REGULATING THE BED OF WATER STREAM IN PRESENCE OF ICE COAT
APPARATUS FOR REMOVING STAINS FROM TEXTILE ARTICLES
FALSE TWIST MECHANISM