Shiftable mine prop arrangement and process for shifting mine props,申请号US19570700067-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	Shiftable mine prop arrangement and process for shifting mine props
摘要
申请公布号	US3077741(A)	申请公布日期	1963.02.19
申请号	US19570700067	申请日期	1957.12.02
申请人	ARNOLD HAARMANN	发明人	HAARMANN ARNOLD
分类号	E21D15/60	主分类号	E21D15/60
代理机构		代理人
主权项
地址

您可能感兴趣的专利

CALLER ID SERVICE SYSTEM AND THE METHOD

Lens, and optical system, optical head and optical disc apparatus using the lens

Light emitting diode utilizing a discrete wavelength-converting layer for color conversion

Thoracic cage coordinate system for recording pathologies in lung CT volume data

Cooling arrangement for an offshore wind energy installation

INTEGRATIVE MEMBRANE ELECTRODE FOR AN ELECTROCHEMICAL DEVICE AND PRODUCTION METHOD OF THE SAME

CATALYSTS, SYSTEMS AND METHODS OF STEAM REFORMING, AND METHODS OF MAKING STEAM REFORMING CATALYSTS

SINGLE FINGER PULL CORD LOCK RELEASE

Electrode for use in urological resectoscopes

Reactive sealing compositions for sealing hydrocarbon containing subterranean formations and methods

Cytotoxicity mediation of cells evidencing surface expression of CD44

Digital system for recording video signals

Lithium anodes for electrochemical cells

Optical device and projector

Music processing printer

Universal multifarious gearbox of mutually definite units and method therefore

Shoe cleaning apparatus

Pumped liquid cooling system using a phase change refrigerant