Improvements in or relating to the directive transmission or reception of sound or other wave energy,申请号GB19330004402-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 the directive transmission or reception of sound or other wave energy
摘要
申请公布号	GB411599(A)	申请公布日期	1934.06.14
申请号	GB19330004402	申请日期	1933.02.13
申请人	SUBMARINE SIGNAL COMPANY	发明人
分类号	G01S1/72	主分类号	G01S1/72
代理机构		代理人
主权项
地址

您可能感兴趣的专利

ALIPHATIC POLYURETHANE RIBBON AND POROUS MAGNESIUM SILICATE FILLER

IGNITION AND SHIFT LEVER LOCK

13-AZA-14-OXO-TXA2 ANALOGUES

MULTISENSOR GROUND-FORCE MEASURING MEANS FOR VIBROSEIS

ROOM TEMPERATURE METAL VAPOUR LASER

HELICAL SPRING EXERCISE DEVICE

TOWER DESIGN AND CONSTRUCTION

CONTROLLING WIND MOTORS

LIQUEFACTION OF GASES

ALUMINIUM CAN CRUSHING MACHINE

VIDEO RECORDER WITH TIME BASE COMPRESSED CHROMINANCE SIGNALS

POSITIVE PHOTORESIST COMPOSITIONS

ROTARY CLOSING MEANS IN A PIPE FITTING

OPTICAL FIBER MARKING APPARATUS

COLOUR PROOFING SHEET INCORPORATING ANTIHALATION DYE

TRANSFORMER HOUSING

DEFROSTING HEAT PUMP