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
Haut-parleur
摘要
申请公布号
FR723893(A)
申请公布日期
1932.04.16
申请号
FRD723893
申请日期
1931.10.06
申请人
IDEAL WERKE AKTIENGESELLSCHAFT FUR DRAHTLOSE TELEPHONIE
发明人
分类号
H04R11/00
主分类号
H04R11/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method of manufacturing a laminated ring and apparatus for measuring the circumferential length difference of a ring in such a method
Hand rail for escalator or moving walkway
Entertainment system
Method for forming a coated film and use of a composition as intermediate coating material
Data collection in spectroscopy
Steam steriliser
UNIVERSAL FLUORESCENT SENSORS
METHOD FOR PRODUCING A BINDER
Polymer emulsion preservation using cationic compounds
Oil resistant, flame retardant insulating composition and process for using the same
UNSATURATED POLYESTER RESIN AND THE USE OF IT
A radio receiver and a radio transmitter
A frame construction such as a window frame, a facade construction or the like
AGENTS FOR COLOURING KERATIN FIBRES, CONTAINING DERIVATIVES OF BENZO(B)FURANE-3-ONE AND/OR BENZO(B)THIOPHENE-3-ONE
Switching insert for rotary switch
Inks used in multi-color printing
ESTIMATION OF VECTOR VELOCITY
SHADOW-EFFECT COSMETIC COMPOSITION
Low profile disposable polymer wicking pad
PROCEDURE AND SYSTEM FOR ENSURING EMERGENCY COMMUNICATION
