Workers are not allowed to pick up more than 23kg without mechanical aids, the high court ruled on Monday.
The case was brought by man who developed health problems after being forced with colleagues to pick up an oven weighing 200 kg.
The weight limit is not yet set down in law, but the court ruling means employers who break it risk legal action. Unions described the ruling as a historic breakthrough.
Limits already exist in some sectors such as construction (25kg) and childcare (23kg). ANP says some 2.6 million Dutch workers regularly lift heavier weights as part of their job.
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