| Brand | Driltech Inc. |
|---|---|
| Type of Advertising | Calculator |
| Color | Yellow |
| Date of Creation | 1981 |
| Original/Reproduction | Original |
| Country of Origin | United States |
Check the listing for details. 1981 Driltech Inc. Blasting / Air Velocity Calculator Slide Rule Chart. Color: Yellow, Condition: Used, Made in United States. Listed at 10.00 USD. 1981 Driltech Inc. Blasting / Air Velocity Calculator Slide Rule Chart This listing is for a blasting calculator / air velocity calculator slide rule chart by DrilTech Inc. Copyright 1981 by American Slide-Chart Corp., Wheaton Ill., printed in USA Please review pictures and ask questions prior to purchase. Thanks for looking!
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