METHOD FOR DRILLING SURFACE OF ROCK BED,申请号JP19860287622-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 DRILLING SURFACE OF ROCK BED
摘要
申请公布号	JPS63142183(A)	申请公布日期	1988.06.14
申请号	JP19860287622	申请日期	1986.12.04
申请人	OHBAYASHIGUMI LTD	发明人	OGAWA MATSUHEI
分类号	E21B7/12	主分类号	E21B7/12
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Method of mounting galvanometer and means for mounting same

Adjustable arm rest

Centering/positioning apparatus for wafer and vacuum chuck

Golf practice apparatus

Cornerstone mold arrangement for the outer walls of prefabricated buildings

Knock-down outdoor coaster

Aircraft undercarriage assemblies

Lined plastic closure

Insulating jug or bottle having a closing member carrying a sealing member

Rotatable and translatable mounting mechanism for a specimen pattern in optical processing apparatus

Campfire shield apparatus

Jet pump with reverse flow removal of injection nozzle

Detachable center brace apparatus for loom harness

Electromechanical oxygen regulator valve assembly

Apparatus for filling cigarette tubes

Rotary valve internal combustion engine

Method and apparatus for improved aquaculture/mariculture

Fuse for a small bomb

Side stripping mechanism for linked ammunition