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
Motion picture machine
摘要
申请公布号
US2000286(A)
申请公布日期
1935.05.07
申请号
US19310515246
申请日期
1931.02.12
申请人
THE BELL & HOWELL COMPANY
发明人
HOWELL ALBERT S.
分类号
G03B1/42
主分类号
G03B1/42
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Methos of operating gas cooled nuclear reactors
Composition for prevention and treatment of frothy bloat in ruminants
LUBRICATING COMPOSITION
DATA CONVERSION FOR COUNTER HAVING ELECTROLUMINESCENT READOUT
CARDIAC MONITOR APPARATUS
ROTARY ELECTRIC MACHINES
APPARATUS FOR SWITCHING OFF AND BRAKING ELECTRIC MOTORS
POLYURETHANE PLASTICS
VORTEX TUBE REACTOR AND PROCESS FOR CONVERTING HYDROCARBONS THEREIN
POLYMERIZATION AND COPOLYMERIZATION OF ETHYLENE USING HALOGEN-CONTAINING PROMOTERS
PROCESS FOR THE MANUFACTURE OF ESTERS OF HYDROXY-ALKANE-SULFO-ACIDS
PROCESS FOR POLYMERIZING ALDEHYDES AND RESULTING PRODUCTS
PREPARATION OF POLYFORMALDEHYDE
CATHODE TOOL FOR ELECTRICAL MACHINING
SINTERING PROCESS
HEAT-SENSITIVE COPY-PAPER
PIPE COATING PROCESS
FLUID BED COATING OF STRIPS WITH THERMOPLASTIC RESINS
MANUFACTURE OF ARTIFICIAL FILAMENTS HAVING SPACED CHANNELS
APPARATUS AND METHOD FOR PRESSING SLURRIES