STRENGHTENED FOUR-PIECE SET OF MINE WORKING LINING,申请号PL19880271835-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	STRENGHTENED FOUR-PIECE SET OF MINE WORKING LINING
摘要
申请公布号	PL152910(B4)	申请公布日期	1991.02.28
申请号	PL19880271835	申请日期	1988.04.13
申请人		发明人
分类号	E21D;E21D11/14;(IPC1-7):E21D11/14	主分类号	E21D
代理机构		代理人
主权项
地址

您可能感兴趣的专利

CCK Agonists II

Process for recovering tungsten from MoS3/WS3 precipitates

Microcomputer controlled demand/scheduled water softener

Papermaking machine with central dewatering cylinder

Emulsion explosive composition

Corrosion resistant thermal control material and process

Alkaline cleaning of tin surfaces

Plenum arrangement

Slave rotate mechanism for mechanical hands of gantry type transfer system

Ribbon metering device

Compositions with a potassium superoxide base and their applications

Method of producing thin films of silicon

Meta-(phenylalkoxy)phenyl-N-methoxy-N-methylurea compounds, methods for preparing same and herbicidal use thereof

Splice locking device

Magnetically encoded film containers and camera adjusting mechanisms responsive thereto

Arrangement for test mark positioning in spheric perimeters

Motor vehicle with trapezoidal passenger compartment and compact seating arrangement

Low torque valve disc for lined butterfly valves

Hot zone chamber wall arrangement for use in vacuum furnaces

Sawdust collector bag for a table saw