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
Mine Boring Machine
摘要
申请公布号
CA2080217(A1)
申请公布日期
1994.04.09
申请号
CA19922080217
申请日期
1992.10.08
申请人
PRAIRIE MACHINE & PARTS MFG. LTD.
发明人
KRUECKL, EDWARD
分类号
E21C27/12;(IPC1-7):E21C41/00
主分类号
E21C27/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
高压干式无线遥控计量箱
一种平台升降装置
MANUFACTURING METHOD OF MOS-TYPE SEMICONDUCTOR TRANSISTOR
HOLDER FOR FILM SUBSTRATE
METHOD AND APPARATUS FOR CORRECTING PATTERN
METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT-RECEIVING ELEMENT
ELECTRONIC DEVICE
OPTICAL SCANNER AND TWO-DIMENSIONAL SCANNING SYSTEM
SWITCHING DEVICE
DEVICE FOR INSPECTING CIRCUIT BOARD
LOW NOISE ROLLER CHAIN
REED CONDUCTOR FOR THERMAL FUSE AND THERMAL FUSE
COVERED YARN
MONOFILAMENT YARN FOR SLIDE FASTENER AND SLIDE FASTENER
DISPLAY DEVICE, AND PORTABLE TERMINAL DEVICE PROVIDED WITH THE SAME
APPARATUS FOR SEMICONDUCTOR WAFER CLEANING AND METHOD FOR WAFER CLEANING USING THE SAME
CLEANING APPARATUS AND METHOD
METHOD AND DEVICE FOR EXTRACTING FEATURE VALUE OF DOCUMENT FOR TEXT MINING
METHOD FOR PREPARING DECISION TREE BY JUDGMENT FORMULA AND FOR USING THE SAME FOR DATA CLASSIFICATION AND DEVICE FOR THE SAME
COMMUNICATION SYSTEM AND MOBILE STATION AND BASE STATION
