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
A method for testing the mechanical strength of coal and a device for carrying out the method
摘要
申请公布号
GB704290(A)
申请公布日期
1954.02.17
申请号
GB19520000784
申请日期
1952.01.10
申请人
DEUTSCHE KOHLENBERGBAU-LEITUNG
发明人
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CHILD RESISTANT PACKAGE
7-OXABICYCLOHEPTANE SUBSTITUTED DIAMIDE AND ITS CONGENER PROSTAGLANDIN ANALOGS
BUILDING BLOCKS
THERAPEUTIC COMPOSITIONS BASED ON 3-ALKOXYFLAVONE DERIVATIVES, AND NOVEL 3-ALKOXYFLAVONE DERIVATIVES
SURFACTANTS DERIVED FROM DICARBOXYLIC HYDROXYACIDS
INK JET PRINTER FOR COOPERATIVELY PRINTING WITH A PLURALITY OF INSERTABLE PRINT/CARTRIDGES
POPPET VALVE FLOW SEAT
APPARATUS FOR COOKING FOOD FOR BEING EATEN WITH BREAD
DETERMINATION OF ANALYTE CONCENTRATION USING TWO LABELLING MARKERS
WOOD PRESERVATIVE BASED ON COPPER AND ZINC ACETATE
APPARATUS FOR MODIFICATION OF CORNEAL REFRACTIVE PROPERTIES
APPARATUS FOR DISCHARGE LAMPS
NYKLEOSID-DERIVATER.
TRANSMITTING APPARATUS FOR RADIO TELEPHONY
METODO Y APARATO PARA DESGASIFICAR EL AGUA DE ALIMENTACION DE UN GENERADOR DE VAPOR
DEVICE TO DETERMINE AIR FLOW TO CRANK CACE SCAVENGING -TYPE 2-STROKE ENGINE AND ITS METHOD
METHOD AND DEVICE FOR PRODUCING ULTRASONIC VIBRATION AND ULTRASONIC CLEANER
Multiple-time ink-bearing medium for thermal printing
(A) ;Displays controlled by MIM switches of small capacitance
Famotidine polymorphic forms and their preparation process
