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 paper feed-rollers for typewriting machines
摘要
申请公布号
GB481487(A)
申请公布日期
1938.03.11
申请号
GB19370025670
申请日期
1937.09.22
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
分类号
B41J13/048
主分类号
B41J13/048
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PAY BROADCAST SYSTEM AND PAY BROADCAST RECEIVER, AND STORAGE MEDIUM
MEDIA CODER AND MEDIA DECODER
FAX DEVICE
SPIN VALVE
USE METHOD OF INTERNET PROTOCOL ADDRESS IN PRIVATE INTERNET PROTOCOL ADDRESS DOMAIN
STRETCH LABEL
SHEET-LIKE SENSITIVE MATERIAL TRANSPORTING DEVICE AND CONTROLLER FOR THE SAME
HOLOGRAM RECORDING AND REPRODUCING DEVICE
HOLOGRAPHIC STEREOGRAM MAKING METHOD AND HOLOGRAPHIC STEREOGRAM MAKING DEVICE
PARAMETER SETTING DEVICE, PARAMETER SETTING METHOD, INFORMATION RECORDER, INFORMATION RECORDING METHOD AND INFORMATION RECORDING MEDIUM
SEMICONDUCTOR DEVICE AND ITS MANUFACTURING METHOD
SEMICONDUCTOR DEVICE
PROGRAM LOADING SYSTEM
MOUNTING METHOD FOR RESIN PISTON RING AND DEVICE THEREOF
SOLIDIFIER FOR WATER-CONTAINING SOIL AND PROCESS FOR SOLIDIFYING WATER-CONTAINING SOIL USING THIS
SUPERCONDUCTING DEVICE
RETAINING WALL STRUCTURE
EXTENSION CARD
POWER SUPPLY APPARATUS AND SYSTEM EMPLOYING THE APPARATUS
TERMINAL EQUIPMENT FOR SPEAKER
