Original document(28 pages)  中文版
    Title: Core cutter
Application Number
申请号
200480015517 Application Date
申请日
2004.05.28
Title 名称 Core cutter
Publication Number
公开号
1798624 Publication Date
公开日
2006.07.05
Approval Pub. Date Granted Pub. Date
International Classification 分类号 B23B51/04
Applicant(s) Name
申请人
Miyanaga KK
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人 li guiliang yang wu

  
Core body lock device of core drill and core body used for the device
Drill bit
Apparatus for drilling hole having undercut space
Shank fitting structure
Shank installation structure and cutters
Shank attaching structure and cutter
Drill bit
Diamonid disk
Diamond tool
Welding torch and welding robot
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