HYDRAULIC SYSTEM FOR LONGWALLS FITTED WITH INDIVIDUAL HYDRAULIC PROPS,申请号PL19860259751-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	HYDRAULIC SYSTEM FOR LONGWALLS FITTED WITH INDIVIDUAL HYDRAULIC PROPS
摘要
申请公布号	PL148619(B1)	申请公布日期	1989.11.30
申请号	PL19860259751	申请日期	1986.05.28
申请人		发明人
分类号	E21D23/20;(IPC1-7):E21D23/20	主分类号	E21D23/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

LAMINATED CONSTRUCTION OF CELLULAR PLASTIC MATERIAL

PROJECTION TYPE KEYBOARD DEVICE

TIMEPIECE WITH ELECTRONICALLY DESIGNED DIGITAL READ-OUT

WARP KNIT ELASTIC FABRIC

7-(D-(ALPHA-AMINO-ALPHA-PHENYLACETAMIDO))-3-(5-METHYL-1,3,4-OXADIAZOL7-2-YLTHIOMETHYL)-3-CEPHEM-4-CARBOXYLIC ACID AND SALTS THEREOF

PIEZOELECTRIC CRYSTAL ASSEMBLY

DISABLING CIRCUIT HAVING A PREDETERMINED DISABLING INTERVAL

STABILIZING ORGANIC MATERIAL WITH PIPERIDONE AZINES

ELECTRODEPOSITION OF NICKEL

LAMINATE PRODUCT OF CROSSED STRETCHED TAPES HAVING PERFORATIONS FOR AIR PERMEATION AND METHOD FOR PREPARING THE SAME

VOLUME AND BALANCE CONTROL FOR FOUR CHANNEL SOUND SYSTEM

DATA HANDLING SYSTEMS

SKID CONTROL SYSTEM FOR VEHICLE BRAKES

METHOD FOR MANUFACTURING CRYOLITE WITH HIGH PURITY

METHOD OF PREPARING A SURFACE OF ADHESION FOR POWDER SPRAYING

CHAIN SPROCKET INCLUDING A CHAIN LENGTH INDICATOR

PRESSES FOR CUTTING OR FORMING METAL OR OTHER MATERIALS

HEAT EXCHANGER ELEMENT

PROCESS FOR PRODUCING AN ANTILIPEMIC SUBSTANCE FROM THE ORGANS OF MAMMALS