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
Improvements in and relating to cinematograph projection apparatus
摘要
申请公布号
GB512183(A)
申请公布日期
1939.08.30
申请号
GB19380019281
申请日期
1938.06.29
申请人
TRADING CORPORATION FOR EDUCATIONAL AND GENERAL SERVICES LIMITED;RONALD PERCY CRAWSHAW;FREDERICK HENRY GIBSON
发明人
分类号
G03B21/30
主分类号
G03B21/30
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PESTICIDE
BENZIMIDAZOLE DERIVATIVES, AND THEIR PRODUCTION AND USE
NUTATING GEAR POSITRACTION DIFFERENTIAL
THERAPEUTIC SYSTEM FOR THE SUSTAINED AND CONTROLLED TRANSDERMAL OR TRANSMUCOSAL DELIVERY OF ACTIVE AGENTS
ERGONOMETRIC TRANSCUTANEOUS ELECTRICAL NERVE STIMULATOR
Mottagare foer lokalsamtal med laog energifoerbrukning
MULTIPLE ROOM TYPE AIR CONDITIONING SYSTEM AND CONTROL METHOD THEREFOR
NEW ANTI-INFLAMMATORY AGENTS
AN ELECTRONIC FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES, WITH SELF-ADJUSTING FLOW RATE STRATEGY
VISCOUS PRODUCT DISPENSER
DEVICES FOR PRODUCING COLD AND/OR HEAT BY SOLID-GAS REACTION, MANAGED BY GRAVITATIONAL HEAT PIPES
BOBBIN WITH A LONG OPTICAL GLASS FIBRE FOR A WIRE CONTROLLED MISSILE
RADIATION-SENSITIVE POSITIVE RESIST AND COMPOSITION CONTAINING THE SAME
PROCESS AND DEVICE FOR COMPRESSING THE SPECTRUM OF AN ANGLE-MODULATED SIGNAL HAVING A MODULATION INDEX EQUAL TO 1/2 AND USING A DIRECT-SEQUENCE SPREAD SPECTRUM
PRODUCT FOR PROTECTING, NOURISHING AND TREATING THE SKIN
PRESSURE CONTAINER FOR GASES OF HIGH PURITY
ABSORBENT PAD INCLUDES PIECES OF ODOUR CONTROL MATERIAL FROM COMMINUTED SHEET
METHOD AND SYSTEM OF COMMUNICATION FOR A NON-CONTACT IC CARD
AQUEOUS STARCH SLURRY ADHESIVE
FILTER MEDIUM FOR SELECTIVELY REMOVING LEUCOCYTES
