| Fiber Optics-Fiber Optic Rotary Joints - Engineering buyer's guide. |  |
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| Focal Technologies Inc. | ||
| IEC CORPORATION | |||
| Kaydon Corporation | |||
| Northrop Grumman Poly-Scientific | |||
| Princetel, Inc. | |||
| SCHLEIFRING und Apparatebau GmbH | |||
| Litton Precision Products Int. Inc. - | |||
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