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
METHOD OF PROTECTION AND ISOLATION OF THE OPENINGS IN THE PLACE OF PENETRATION WITH THE LAYER OF THE UTILITY MINERAL
摘要
申请公布号
CS192780(B1)
申请公布日期
1979.09.17
申请号
CS19770003289
申请日期
1977.05.19
申请人
FOJTU,BLAHOSLAV,CS;BILAN,JINDRICH,CS;ZENC,MILOS,CS
发明人
FOJTU,BLAHOSLAV,CS;BILAN,JINDRICH,CS;ZENC,MILOS,CS
分类号
E21F1/14;(IPC1-7):E21F1/14
主分类号
E21F1/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MANUFACTURE OF WOODY TAPE AND WOODY TAPE
DISPLAY RACK
METHOD AND DEVICE FOR PROCESSING END FACE OF PLATE-FORM MOLDING
GRINDING SYSTEM
COLLECTING METHOD FOR BATH MEMBER
PIN DRIVING DEVICE
DIPPING NOZZLE FOR CONTINUOS STEEL CASTING
PISTON RING WIRE MATERIAL CUTTING METHOD
DIE EQUIPMENT
METHOD OF PRODUCING THIN-SCALE STEEL SHEET
FORMATION OF ELECTROLYZED WATER
SCREW FASTENING METHOD, SCREW FASTENING DEVICE, ATTACHMENT, AND RECORDING MEDIUM
DEVICE AND METHOD FOR REMOVING IS RUBBER BUSH
METHOD FOR WELD COATING THIN METALLIC SHEET ON THICK METALLIC SUBSTRATE SURFACE
SOLDERING IRON
CLUTCH HUB WITH FLANGE AND MOLDING METHOD THEREFOR
TREATMENT OF SEPARATED LIQUID BY WET OXIDIZING TREATMENT
WATER TREATMENT APPARATUS
METAL DISCHARGING METHOD AND DEVICE FOR ELECTRIC ASH MELTING FURNACE
WASHING TOOL AND PORTABLE WASHER