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 relating to manhole covers and the like
摘要
申请公布号
GB602047(A)
申请公布日期
1948.05.19
申请号
GB19450026677
申请日期
1945.10.12
申请人
ROBINSON & KERSHAW LIMITED;JOSEPH KERSHAW, SENIOR;JOSEPH KERSHAW, JUNIOR;LESLIE WRAY KERSHAW;JOIIN FREDERICK MOSS
发明人
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SUTURING DEVICE
PROCESS AND DEVICE FOR PRODUCING TWO- OR THREE-DIMENSIONAL IMAGES IN GASEOUS MEDIA
VIDEO EDITING SYSTEMS
PROCESS AND DEVICE FOR TESTING AN INTEGRATED CIRCUIT SOLDERED ON A BOARD
METHOD FOR GENERATION OF SEQUENCE SAMPLED MAPS OF COMPLEX GENOMES
SIGNAL READ-OUT SYSTEM FOR IMAGE PICKUP DEVICE
ELECTRONIC PHOTOGRAPHIC FACSIMILE EQUIPMENT
SPEECH PATH SWITCHING SYSTEM FOR CONFERENCE SPEECH LINE
POWER DISTRIBUTER
IONIZATION APPARATUS OF HIGH-MELTING-POINT METAL USED FOR ION IMPLANTATION DEVICE OF TYPE USING FREEMAN ION SOURCE OR SILILAR TO IT
TRAFFIC INFORMATION DISPLAY DEVICE
PORTABLE ELECTRONIC DEVICE
METHOD FOR RECOGNIZING CHARACTER ON X-RAY FILM
DRAWING PREPARING DEVICE
MESSAGE BATCH PROCESSING SYSTEM WITH MESSAGE QUANTITY ADMINISTRATING FUNCTION
REMOTELY CONTROLLED AUTOMATIC TELEPHONE NUMBER STORING AND ORIGINATING DEVICE
HOT AIR CIRCULATION TYPE SNOW MELTING DEVICE FOR PARABOLIC ANTENNA
PRODUCTION OF LIQUID CRYSTAL DISPLAY DEVICE
SHIP SPEED MEASURING INSTRUMENT
LIQUID CRYSTAL PROJECTION TYPE DISPLAY DEVICE
