Improvements in or relating to electro-acoustic translating devices such as loudspeakers,申请号GB19330036416-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Improvements in or relating to electro-acoustic translating devices such as loudspeakers
摘要
申请公布号	GB430921(A)	申请公布日期	1935.06.27
申请号	GB19330036416	申请日期	1933.12.27
申请人	ELECTRICAL RESEARCH PRODUCTS INC.	发明人
分类号	H04R1/26;H04R7/20	主分类号	H04R1/26
代理机构		代理人
主权项
地址

您可能感兴趣的专利

SOLID STATE TELEVISION CAMERAS

MOTOR VEHICLE BODY WITH A RIGID SUNSHINE ROOF

BENDING PRESS OR SIMILAR MACHIE TOOL

MASTER CYLINDER AND RESERVOIR ASSEMBLIES

ELECTRO-MAGNETIC RELAY

ADDITIVE FOR COMPOSITIONS USED IN OIL RECOVERY

HEIGHT-ADJUSTING DEVICE FOR SEATS PARTICULARLY VEHICLE SEAT

INRICHTING VOOR HET OPSLAAN VAN WARMTE.

Covers for domestic chairs and settees

ANCHORS FOR FASTENERS

REMSYSTEEM VOOR EEN MOTOR.

PYROELEKTRISCHER DETEKTOR

DISPOSITIVO DI AVVIAMENTO PER PICCOLE MOTOCICLETTE CICLOMOTORI E SIMILI

TOY SPACE STATION ASSEMBLY

RACK FOR SUPPORTING MEAT DURING COOKING

ISOTOPE SEPARATION USING SIMULTANEOUS ABSORPTION OF TWO PHOTONS

DETECTING & SIGNALLING DANGEROUS GAS IN AN ATMOSPHERE DANGEROUS GAS DETECTION

POMPA DI COMBUSTIBILE AD AZIONAMENTO ELETTRICO, ATTO AD ESSERE IMPIEGATA IN IMPIANTI DI INIEZIONE PER MOTORI A COMBUSTIONE INTERNA AD ACCENSIONE COMANDATA

FUELLKANALVORRICHTUNG FUER MISCHBEHAELTER