BE345073A - - Google Patents

Info

Publication number
BE345073A
BE345073A BE345073DA BE345073A BE 345073 A BE345073 A BE 345073A BE 345073D A BE345073D A BE 345073DA BE 345073 A BE345073 A BE 345073A
Authority
BE
Belgium
Prior art keywords
steel
tube
drill
iron
hole
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE345073A publication Critical patent/BE345073A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00Making tools or tool parts, e.g. pliers
    • B21K5/02Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
    • B21K5/06Dressing, e.g. sharpening rock drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
BE345073D BE345073A (enEXAMPLES)

Publications (1)

Publication Number Publication Date
BE345073A true BE345073A (enEXAMPLES)

Family

ID=21150

Family Applications (1)

Application Number Title Priority Date Filing Date
BE345073D BE345073A (enEXAMPLES)

Country Status (1)

Country Link
BE (1) BE345073A (enEXAMPLES)

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