首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
ROCK-BREAKING DEVICE
摘要
申请公布号
SU804834(A1)
申请公布日期
1981.02.15
申请号
SU19782694127
申请日期
1978.12.05
申请人
MO GEOLOGORAZVEDOCHNYJ I IM.S.ORDZHONIKIDZE
发明人
FONBERSHTEJN EFIM G,SU;EKOMASOV SERGEJ P,SU;LEBEDEV ALEKSANDR A,SU
分类号
E21C37/14;(IPC1-7):E21C37/14
主分类号
E21C37/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
HANDICRAFT TOOL
SHEET-LIKE POLISHING RUBBER
WIRE ELECTRIC DISCHARGE MACHINING METHOD
POSITION CONTROLLER FOR MOVABLE BODY
ELECTRIC DISCHARGE MACHINING METHOD OF ELECTRIC INSULATING MATERIAL
CHUCK DEVICE OF MACHINE TOOL
CUTTING TOOL MADE OF SURFACE-COVERED TUNGSTEN CARBIDE BASE CEMENTED CARBIDE HAVING EXCELLENT IN-LAYER ADHESION OF HARD COVERED LAYER
CUTTING TOOL MADE OF SURFACE-COVERED TUNGSTEN CARBIDE BASE CEMENTED CARBIDE HAVING EXCELLENT IN-LAYER ADHESION OF HARD COVERED LAYER
SAFETY DEVICE FOR PRESS
CAN COMPACTOR
JOINING METHOD BY APPLYING MAGNETIC FIELD
LOW SPATTER WIRE FOR CO2 GAS SHIELDED ARC WELDING AND ITS MANUFACTURE
MULTI SPOT WELDING MACHINE
MULTI-LAYER WELD ZONE STRUCTURE OF 9 CHROME 1 MOLYBDENUM STEEL TUBE
AUXILIARY TOOL FOR WELDING REINFORCING BAR, WINDSHEIELD MEMBER, WELDING JOINT AND WELDING METHOD
DEVICE FOR CONTROLLING GAP OF MOLTEN METAL POURING NOZZLE
SPEED CONTROLLER FOR EXTRUDING PRESS AND METHOD THEREFOR
STOPPER TYPE MOLTEN METAL POURING DEVICE
LOST FOAM PATTERN AND CASTING METHOD USING IT
IONIC WATER GENERATOR
