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 or relating to optical projection apparatus
摘要
申请公布号
GB351334(A)
申请公布日期
1931.06.25
申请号
GB19300027048
申请日期
1930.09.10
申请人
REINHOLD KUPFER
发明人
分类号
G03B21/06
主分类号
G03B21/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Pneumatic spacing drill.
PROCESS FOR RECOVERING CAFFEINE FROM ACTIVATED CARBON
REVERSIBLE PHASE CHANGE COMPOSITIONS OF CALCIUM CHLORIDE HEXAHYDRATE WITH A POTASSIUM SALT
GRIPPER SHUTTLE FOR LOOMS
COMB AND METHOD OF MAKING SAME
PROLONGED-ACTION MULTIPLE-LAYER TABLETS
METHOD OF COMPENSATING TEMPERATURE OF PHOTOCONDUCTIVE DETECTOR
CRT DISPLAY
MEASUREMENT OF DYNAMIC SURFACE TENSION
RENIN INHIBITORY PEPTIDES
PROCESS FOR THE LEVEL DI- AND TRICHROMATIC DYEING OF POLYACRYLONITRILE MATERIALS
INTERMITTENT DELIVERY SYSTEM FOR A MEDICAL LIQUID
RECORD MEMBER DISPENSER
METHOD OF PROVIDING ADAPTIVE ECHO CANCELLATION IN TRANSMISSION OF DIGITAL INFORMATION IN DUPLEX, AND APPARATUS FOR PERFORMING THE METHOD
ROTATING ELECTRIC MACHINERY
WASHING PROCESS AND INSTALLATION APPLIED TO THE PRODUCTION OF MINERAL-FIBRE MATS
METHOD OF ETCHING A SHAPE IN A REFRACTORY OXIDE MATERIAL
LOW VOLTAGE CIRCUIT BREAKER WITH ADJUSTABLE HYBRID TRIGGERING
FUEL NOZZLE ASSEMBLY FOR A GAS TURBINE ENGINE
SURFACE ACOUSTIC WAVE DEVICE