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L
Lawrence 10-B Rechenschieber
Lehmann Primus Nr. 840
Les Réglettes Multipilicatrices
Licht-Rechner
Lightning Adding Machine
Lightning Calculator
Lightning Calculator (Webb Adder)
Lindström Record
Lipsia 11 R
Lipsia Addi 7
Little Giant Adding-Machine
Loga Rechen-Walze
LYRA 2065 Einmaleins-Bleistift-Set
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