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
VERFAHREN ZUR HERSTELLUNG VON ROTATIONSSYMMETRISCHEN ZYLINDRISCHEN HOHLKOERPERN
摘要
申请公布号
DD157079(A1)
申请公布日期
1982.10.13
申请号
DD19810227064
申请日期
1981.01.19
申请人
KUEHMEL,STEFAN,DD;LABETZKE,HANS,DD;WENKE,LUTZ,DD
发明人
KUEHMEL,STEFAN,DD;LABETZKE,HANS,DD;WENKE,LUTZ,DD
分类号
B21D22/14;(IPC1-7):B21D22/14
主分类号
B21D22/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LOOP TYPE HEAT PIPE AND ELECTRONIC EQUIPMENT
Aerodynamic drag reducing apparatus
Electronic control system
Electric power steering system
Blocking end cap for a rolling bearing and supporting device for a railway axle equipped therewith
Powertrain for hybrid vehicle
Rigid device for low speed damageability of vehicles
Saddle-type electric vehicle
Airbag engaging pivotable trim panel
Motor vehicle equipped with dynamic floor section
Supplemental vehicle lighting system for vision based target detection
Energy estimation device, information system for automotive, and server device
Vehicle controller for changing the number of driven wheels
Methods for safe operation of hydraulic hybrid vehicles with over-center pump/motors
Chassis for electric vehicle
Refrigerant circuit of an air conditioner with heat pump
Puncture-proof structure for tire
Pneumatic tire with tread having shoulder lateral grooves
High capacity pocket file folder
Component with display stand
