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
Machine for perforating statistical cards
摘要
申请公布号
US1870184(A)
申请公布日期
1932.08.02
申请号
US19310516301
申请日期
1931.02.17
申请人
THE ACCOUNTING & TABULATING CORPORATION OF GREAT BRITAIN LIMITED
发明人
THOMAS ARTHUR;CRAIG GEORGE
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD OF WASTE WATERS PURIFICATION WITH CONTENT OF BIOLOGICALLY DECOMPOSABLE ORGANIC SUBSTANCES
FACSIMILE EQUIPMENT
SYSTEM FOR DISTRIBUTING INDIVIDUAL INFORMATION IN TOLL BROADCASTING
POWER-ON RESETTING CIRCUIT
METER SENSOR TROUBLE DIAGNOSTIC SYSTEM
WIRING ROUTE SEARCHING SYSTEM
FACSIMILE EQUIPMENT
COMMON BUS TERMINATING SYSTEM
Förfarande för stabilisering av blodets koagulationsfaktorer
Handapparat för transport av en film från en bärfolie på ett substrat
Hardware assist for protecting PC software
Tablet for pharmaceutical use able to release active substances at successive times
CONTACT DEVICE FOR MICROSCHEME CHECKING
GEARED TRANSMISSION WITH COMBINED PROFILE'S PRINCIPAL CONTOURS
Acrylic containing friction materials
Image recording system for image recording in response to signals entered from a recording information generating unit
Device for controlling vehicle four wheel drive front/rear coupling device according to rotational speeds of front and rear vehicle wheels and method of operation thereof
Electrical devices comprising conductive polymer compositions
System for interfacing a digital encryption device to a time-division multiplexed communication system
Positive shut-off power assisted brakes
