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
Nachgiebiger, eiserner Grubenausbau
摘要
申请公布号
DE571490(C)
申请公布日期
1933.03.02
申请号
DED571490D
申请日期
申请人
GEWERKSCHAFT WISOKA
发明人
分类号
E21D11/18
主分类号
E21D11/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Film scanning device provided in automatic developing apparatus
Receiving caller identification information with a telecommunications device for the deaf
MAGNETIC RESONANCE METHOD AND APPARATUS WHICH MEASURES RESIDUAL MAGNETIZATION FROM TWO OR MORE ORDERLY HEIGHT REDUCE GRADIENT PULSES, OF ALTERNATELY INVERTED POLARITY, APPLIED PRIOR TO THE TRANSMITTING OF RF PULSES
Heat sink retainer and Heat sink assembly using same
Apparatus and method for buffer library selection for use in buffer insertion
Double data rate synchronous memory with block-write
Hub link mechanism for impedance compensation update
Satellite-based seismic mobile information and control system
Developing unit having an opening allowing toner to fall directly onto a developing member and supplying member contact area
Video information editing method and system, and recording medium having the editing method stored
Fiber optic prism coupler, coupling arrangement and fabrication method
Speaker system
Low noise in-building distribution network for wireless signals
Direct-coupled laser diode driver structures and methods
Method and apparatus for characterizing laser modules
Medical information appliance
Ferroresonance-suppressing static transfer switch
Import/export element with screw-mounted bevel gear for rotation
Elastic lens holder
Translucent screen
