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
Combined photographic camera and view finder
摘要
申请公布号
US2191281(A)
申请公布日期
1940.02.20
申请号
US19380212954
申请日期
1938.06.10
申请人
ERNST LEITZ, G. M. B. H.
发明人
LEITZ LUDWIG;ALBERT WILHELM
分类号
G03B13/02
主分类号
G03B13/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PLL CIRCUIT
COMMUNICATION CONTROL EQUIPMENT
OVERCURRENT LIMITER CIRCUIT
MAGNETIC RECORDING AND REPRODUCING DEVICE
ELECTRONIC EQUIPMENT
TIMING EXTRACTION CIRCUIT
LOGIC DEVICE
COLOR FILTER
THIN FILM PATTERN
RETRIEVING AND READING DEVICE FOR MICROFILM
SPEED LIMITER FOR FIRE EXTINGUISHING ELECTRIC RAILCAR
ABSOLUTE SINGLE POLARIZING OPTICAL FIBER
SYSTEM FOR MUTUALLY CONFIRMING OPPONENT
WAVEGUIDE TYPE WAVELENGTH TRANSDUCING ELEMENT
OPTICAL FIBER FOR TRANSMISSION OF LIGHT ENERGY
MANUFACTURE OF SEMICONDUCTOR DEVICE
MAGNETIC RECORDING AND REPRODUCING DEVICE
WATER SOLUBLE PHOTOSENSITIVE RESIN COMPOSITION
METALLIC VAPOR LASER EQUIPMENT
METALLIC VAPOR LASER DEVICE
