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
METHOD OF FORMING GROOVES
摘要
申请公布号
GB1491999(A)
申请公布日期
1977.11.16
申请号
GB19760037276
申请日期
1976.09.08
申请人
IBM CORP
发明人
分类号
G11B15/60;G11B5/60;G11B21/21;(IPC1-7):B24B1/00;B24B19/02
主分类号
G11B15/60
代理机构
代理人
主权项
地址
您可能感兴趣的专利
HIGH VOLTAGE GENERATOR
HIGH VOLTAGE GENERATOR
IMAGE FORMING MEMBER FOR ELECTROPHOTOGRAPHY
MAGNET BRUSH CLEANING DEVICE OF ELECTRONIC COPIER
SEALANT FOR ELECTROCHROMIC DISPLAY ELEMENT
PICTURE MAGNIFICATION CHANGING METHOD
ENLARGING IMAGING EQUIPMENT
ANTENNA DEVICE
FORMING METHOD FOR CONDUCTOR PATTERN
P-N JUNCTION SUPERCONDUCTIVE ELEMENT
WAFER EDGE DETECTING PROCESSOR
THERMAL TREATMENT OF SPRINGS FOR BRAUN COLOR TUBE
LIQUID CRYSTAL DISPLAY ELEMENT
SYNTHETIC RESIN COMPOSITION
COMPOSITION
FLEXIBLE TUBE AIR CABLE
SUBSTITUTED THIAZOLIDINE CARBOXYLIC ACID ANALOGUE AND DERIVATIVE AS ANTIHYPERTENSIVE
ELECTRIC SWITCH AND PARTICULARLY CURRENT LIMITER
THIOCARBAMIC ACID ESTERS AND MANUFACTURE
ROLLER BIT WITH INCREASED NUMBER OF CUTTING ROLLERS