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AKA (Label): EC 41, Product number (P/N): EC41 (EC 41),
Keywords/Tags: EC41 (EC 41) | 81CS
Date of intro: ~1978, Origin: Japan (List), Dimensions: 146x78x18mm, Weight: 112g,
Power: 3V: (AA x2),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 27,
Classification: / Pocket,
Featuring: Procent, Square root, PI, Memories: 1,
Main Components: HITACHI: HD37352,
Resemblance with: (Resemblance 033), Made by: OMRON (List of all Import-OEM-models for ROYAL),
Serie-members: ROYAL: 81CS (version-1) (3 switches); ROYAL: 81CS (version-2) (4 switches),
Known Serial-numbers: 72711341 (List of all S/Ns from ROYAL)
Collector value: 7/10,
Internet: Link-1: MY CALCULATORS DATABASE
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