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 systèmes téléphoniques à double voie et analogues
摘要
申请公布号
FR761604(A)
申请公布日期
1934.03.23
申请号
FRD761604
申请日期
1933.09.02
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LTD
发明人
分类号
H04B3/20
主分类号
H04B3/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Glueing segment to be slipped and clamped onto a drive shaft.
SEMICONDUCTOR DEVICE HAVING FUSE-TYPE MEMORY ELEMENT
HEAT AND MATERIAL EXCHANGE DEVICE.
APPARATUS FOR RESPIRATORY TRAINING.
PROPORTIONING CONTROL VALVE.
DEAD TIME COMPENSATED CONTROL LOOP
Adhesive-paper tapes.
Oil pan made of plastics material.
Burner for the gasification of fine grained and pulverulent solid fuels.
COEXTRUDED MULTILAYER AND SLEEVE LABEL MADE THEREFROM
VORRICHTUNG ZUM EINBRINGEN VON GRANULAT IN ROTIERENDE FORMEN
STRENGOPHOUDER VOOR STEENVORMMACHINE.
Accuracy cartridge plastic box.
Use of partially esterified copolymers in liquid detergent compositions.
Process for direct image formation in printing cylinders.
Wiper blade and its manufacturing process.
Wiper lever, wiper arm and wiper blade for a window cleaning arrangement.
Lawn mowing and aerating apparatus.
Apparatus for heating relatively small work pieces.
WERKWIJZE VOOR HET BEREIDEN VAN EEN VLOEIBAAR REINIGINGSMIDDEL.
