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公开(公告)号：US3820849A
公开(公告)日：1974-06-28
申请号：US32545673
申请日：1973-01-22
Applicant: SANDVIK AB
Inventor： LUNDSTROM H , LILJEKVIST B
CPC classification number: E21C35/19 , Y10T407/1906
Abstract: A carbide cutting tip is mounted in a separate cartridge which is removably secured in a rotary milling cutter head, so that break-down of the tip will not endanger damage to the cutter head but only the cartridge.
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