| IMPA编码 | 650977 |
| 产品单位 | PCE |
| Title | TRY SQUARE PRECISION WITH BASE, 1ST-GRADE(+_0.048) 750X400MM |
| Description | Recommended for use where extreme accuracy is required. Base and blades are hardened, ground and lapped to insure that the square has a straight, parallel setup. 1st and 2nd grades are available according to their tolerance. Non graduated types are most commonly used but graduated types are also available upon request. 1st Grade |
| IMPA版本 | 8th Edition |
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