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
APPARATUS FOR PRODUCING TUBES WITH REINFORCED THICKENED PORTIONS
摘要
申请公布号
SU1687322(A1)
申请公布日期
1991.10.30
申请号
SU19884462334
申请日期
1988.07.15
申请人
KOLKUNOV EVGENIJ A
发明人
KOLKUNOV EVGENIJ A,SU
分类号
B21C23/00
主分类号
B21C23/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Transistor and method of producing same, and display
Semiconductor device having drain/source surrounded by impurity layer and manufacturing method thereof
Forming structures on resistive substrates
Nonvolatile semiconductor memory device and method for manufacturing same
High ultraviolet light absorbance silicon oxynitride film for improved flash memory device performance
Semiconductor device with recess having inclined sidewall and method for manufacturing the same
Group III-nitride based semiconductor LED
Light emitting element, method for manufacturing light emitting element, image display device, and illuminating device
Light-emitting device, display device, and method for manufacturing the same
Organic thin film transistor and method for manufacturing the same
Group III nitride nanorod light emitting device
Nonvolatile memory device using a tunnel nitride as a current limiter element
Device and method for quantifying a surface's cleanliness
Method and apparatus for ebeam treatment of webs and products made therefrom
Direct match spectrographic determination of fuel properties
Multi-channel detector assembly for downhole spectroscopy
Extendable stabilizer for projectile
Propulsion and maneuvering system with axial thrusters and method for axial divert attitude and control
Microwave popcorn package
Method for the decomposition of N2O, catalyst for it, and the preparation of this catalyst
