METHOD AND DEVICE FOR EXCAVATING BASE ROCK LAYER,申请号JP19910197482-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 AND DEVICE FOR EXCAVATING BASE ROCK LAYER
摘要
申请公布号	JPH0518186(A)	申请公布日期	1993.01.26
申请号	JP19910197482	申请日期	1991.07.12
申请人	SUMITOMO METAL MINING CO LTD	发明人	MANABE SHOJI
分类号	E21D9/10	主分类号	E21D9/10
代理机构		代理人
主权项
地址

您可能感兴趣的专利

VEHICULAR SUSPENSION SYSTEM

DRIVING FORCE DISTRIBUTION DEVICE FOR FOUR-WHEEL DRIVE VEHICLE

HINGE DEVICE FOR SLIDE DOOR

VEHICLE BODY STRUCTURE

OUTER MIRROR CONTROLLER OF VEHICLE

METHOD OF NORMALIZING INK JET WHICH INJECTS INK ONTO IMAGE FORMATION DRUM AND INK-JET IMAGE FORMATION APPARATUS

MECHANICAL PENCIL

BOOKBINDING DEVICE AND BOOKBINDING SYSTEM

LIQUID DELIVERING HEAD

TWIN SCREW EXTRUDER

PLANAR BASE MATERIAL CUTTING DEVICE AND MANUFACTURING METHOD OF PLATE

TOOTH SURFACE SHAPE SIMULATION METHOD OF HYPOID GEAR

LOW-PRESSURE CASTING DEVICE AND LOW-PRESSURE CASTING METHOD

FLUID TREATMENT DEVICE AND FLUID TREATMENT SYSTEM

CLEANING SPRAY GUN WITH FLEXIBLE TUBE