| 摘要 |
PCT No. PCT/FR90/00250 Sec. 371 Date Jan. 8, 1991 Sec. 102(e) Date Jan. 8, 1991 PCT Filed Apr. 9, 1990 PCT Pub. No. WO90/14799 PCT Pub. Date Dec. 13, 1990.Canal instrument used in endodontics, characterized in that its flexible blade is made at least partially of titanium or of titanium alloy.
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