METHOD FOR MINING THICK HARD COAL DEPOSITS HAVING HIGH INCLINATION,申请号PL19880272787-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	METHOD FOR MINING THICK HARD COAL DEPOSITS HAVING HIGH INCLINATION
摘要
申请公布号	PL151108(B1)	申请公布日期	1990.07.31
申请号	PL19880272787	申请日期	1988.05.30
申请人		发明人
分类号	E21C;E21C41/18;(IPC1-7):E21C41/18	主分类号	E21C
代理机构		代理人
主权项
地址

您可能感兴趣的专利

A MULTIFUNCTION HANDKERCHIEF

PRODUCT SALE AND ADVERTISE SERVER USING FEEDBACK OF SOCIAL NETWORK AND METHOD OF THE SAME

COST CALCULATION SYSTEM OF ADVERTISEMENT BY USING IMAGE CODE COMPRISING MEDIUM INFORMATION

MULTI-FUNCTION WINDOW SYSTEM

PHOSPHORUS RECOVERY APPARATUS AND METHOD THEREOF

THE EVENT DATA ACQUISITION APPARATUS USING AN INDIVIDUAL ID NUMBER

Fluid-actuated rotary drive

Retarderer for Hydrate-forming binder

Bending tool and bending tool assembly

Method of handling call orgination and related communication device

DEVICE FOR CLEANING BAKING TRAYS

FASTENING DEVICE

DISPLAY DEVICE FOR VEHICLE

TREATMENT OF A MAIN BODY LUMEN IN THE VICINITY OF A BRANCHING BODY LUMEN

COMMUNICATION TERMINAL AND COMMUNICATION METHOD

METHOD AND DEVICE FOR DEVELOPMENT ENVIRONMENT CONVERTING

Synthetic stereo on a mono headset with motion sensing

VACUUM CLEANER HAVING A WATER RECEPTACLE WITH NO FASTENING MEANS THEREINBETWEEN

Method and system for automatic non-cooperative identification of an RF transmission system

FILLER TAKEOUT APPARATUS FOR SAMPLE COLUMN