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
MINE ROOF SUPPORTS
摘要
申请公布号
GB8424334(D0)
申请公布日期
1984.10.31
申请号
GB19840024334
申请日期
1984.09.26
申请人
DOWTY MINING EQUIPMENT LTD
发明人
分类号
E21D23/04
主分类号
E21D23/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
VERFAHREN UND VORRICHTUNG ZUM TROCKENEN ABKUEHLEN VON SCHLACKEN
HYDROSTATISCHE STEUEREINRICHTUNG, INSBESONDERE LENKEINRICHTUNG
TERMISK OG OPTISK KAMUFLASJE
TERMISK OG OPTISK CAMOUFLAGE
PLANE ELEMENT FOR SOUND-WAVE ABSORPTION
METHOD FOR MANUFACTURING PORK MEAT
METHOD AND APPARATUS FOR PRODUCING AN ARTIFICIAL VERTICAL SYNCHRONIZING SIGNAL FOR VIDEO TAPE RECORDING.
CMOS INTEGRATED CIRCUIT WITH GUARD BANDS FOR LATCH-UP PROTECTION.
ALCOHOL BREATH TESTER.
HYDROJET DRILLING MEANS AND METHOD.
AN IMPROVED AUTOMATIC HEAD POSITION TRACKING SERVO FOR A ROTARY HEAD MAGNETIC TAPE RECORDING AND REPRODUCING APPARATUS.
A rebound stop member for a telescopic hydraulic shock absorber.
Optical testing device for the detection of surface defects on cables or lines.
Plug connector for electrical apparatus.
Use of a curable copper-nickel-manganese alloy in the manufacture spectacle components.
Oscillating conveyor with a vibrating conveyor bowl.
Process for preventing the formation of polymeric by-products at the preparation of 5-vinyl-norbornene(2).
MACHINE TOOL BEARING SYSTEM
EXPLOITATION OF WIND ENERGY FOR PRODUCING ELECTRICAL POWER
GLASSWARE-FORMING MACHINE WITH FAULTDETECTION AND CONTROL
