| 摘要 |
PROBLEM TO BE SOLVED: To elongate the serviceable life of a saw blade 15 by preventing an early fracture of the saw blade 15. SOLUTION: This saw blade is so formed that the rear side end face 16 is formed into a round shape whose central part in the direction of the blade thickness (t) projects toward one side and the cutting edge side end face 17 is formed into a round shape whose central part in the direction of the blade thickness (t) projects toward the other side. COPYRIGHT: (C)2004,JPO
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