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CANADA |
BELL | QUEBEC TEL | BC TEL | NORTEL | ||||
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| Chip | Chip | Chip | Magn.& Rem. | Chip | L&G Optical | Magn.& Rem. | Chip | |
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| TELUS | AT & T | CHANELL TEL. | WALL MART | HELLO | AGT | ISLAND TEL | ||
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| Chip | Magn.& Rem. | Magn.& Rem. | Magn.& Rem. | Magn.& Rem. | Magn.& Rem. | Magn.& Rem. | ||
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USA |
IT - ALASKA | NYNEX | US WEST | MICHIGAN BELL | ||||
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| Chip | L&G Optical | Tamura Magn. | Tamura Magn. | Chip | L&G Optical | L&G Optical | ||
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| PLESSEY | COMSAT | BELL SOUTH | US SOUTH | |||||
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| GPT Magn. | Chip | Magnetic | Chip | |||||
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MEXICO |
TELMEX | TELNOR | ||||||
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| GPT Magnetic | Chip | Chip | Chip | |||||
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