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
Fire protection device for motion picture projectors
摘要
申请公布号
US2227269(A)
申请公布日期
1940.12.31
申请号
US19390277199
申请日期
1939.06.03
申请人
FRANK DUMUR
发明人
MAY ERWIN
分类号
G03B21/18
主分类号
G03B21/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Upright vacuum cleaner
N-terminal modified PEG-TRAIL, method for preparing and uses thereof
LIGHT EMITTING DEVICE EMPLOYING NON STOICHIOMETRIC TETRAGONAL ALKALINE EARTH SILICATE PHOSPHORS
VEHICLE COMMUNICATION TERMINAL.
CONDUCTIVE BALL MOUNTING APPARATUS
POLYMERIC FILMS.
(A) ;PROCESS FOR PRODUCING ALCOHOL AND ETHER
(A) ;PROCESS FOR PRODUCING SUBSTITUTED CYCLOBUTANE
TEMPERATURE LOWERING TOWER
ROLLER IRON CLUB
HEIGHT ADJUSTMENT MECHANISM OF INSTRUMENT HOLDER IN DENTAL TREATMENT UNIT
EXHAUST GAS TREATING METHOD AND TREATMENT APPARATUS
SYSTEM AND APPARATUS FOR FOAM RECOVERY
TIRE FOR MOTORCYCLE AND ITS MANUFACTURING PROCESS
CLIENT APPARATUS, SERVER APPARATUS, AND PROGRAM
DAILY LIFE DRAINAGE TREATMENT SHIP
FUEL CELL
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE
HEALTH GUIDANCE SYSTEM AND HEALTH GUIDANCE PROCESSING METHOD
OPERATION SUPPORT DEVICE, OPERATION SUPPORT METHOD, AND COMPUTER PROGRAM