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line tester (grafisches Gewerbe); pick counter (Textilbranche); thread counter (Textilbranche); thread counting glass (Textilbranche); whaling glass (Optik); thread count; thread counters; waling glasses | |||
linen-prover; thread counter | |||
linen prover | |||
thread-counter; weaver's glass | |||
linen tester | |||
pick counter; pick glass | |||
lunometer | |||
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linen tester magnifier | |||
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magnifying glass |