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41774259081336 | page 22 | https://thedailydialectics.com/pdfs/FIOA/41774259081336/41774259081336.pdf

Addendum to page 17 TOE SECRET —SECURELY ENFORMATION- SSM_33 4 non-synchronous teletypewriter mixer designed for full duplex operation on wire circuits for either on~line or off-line operation, Essentially this equipment consists of two SSM-3's on one chassis with power supply. Size and Weight…