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 suitable for facilitating the reproduction of plans and the like
摘要
申请公布号
GB485766(A)
申请公布日期
1938.05.25
申请号
GB19360032563
申请日期
1936.11.27
申请人
HAROLD JOHN LAVENDER CHAMBERS
发明人
分类号
G03B21/11
主分类号
G03B21/11
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INK RIBBON FOR THERMAL TRANSFER PRINTER
Ink concentration sensor for maintaining dye concentration in an ink jet printer
Logic function circuit with an array of data stores and their circuit testing
APPARATUS FOR ION-ETCHING OF LARGE-SURFACE-AREA PROCESSED ARTICLE
GEM-DIALKYL-7-OXABICYCLOHEPTYL SUBSTITUTED HETEROCYCLIC AMIDOPROSTAGLANDIN ANALOG
PREPARATION AND USE OF NOVEL ACTIVATED CARBAMATE
AIR CONDITIONER
VACUUM PUMP DRIVING CANNED MOTOR
ROOF UNIT AND JOINT STRUCTURE THEREOF
LINE FOR ATHLETIC STADIUM MADE OF ARTIFICIAL LAWN CONTAINING SAND AND ATHLETIC STADIUM
SILVER PASTE
STOCK CONTROL SYSTEM IN OIL STATION
PACKAGE AND PRODUCTION THEREOF
COVER TAPE FOR PACKAGING CHIP TYPE ELECTRONIC PART
EASILY OPENABLE SEALED BAG
DEVICE FOR CHARGING SLAB INTO HEATING FURNACE
DRILLING DEVICE FOR MOLD MATERIAL
AUTOMATIC ENGAGEMENT DEVICE OF GEAR GRINDING MACHINE
GAS SHIELDED ARC WELDING EQUIPMENT
SOIL SUBSTITUTE