Thread: letter on ep's and their meaning ?
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Old 29-12-2004, 03:49 PM
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vindictive666 (John)
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Location: geraldton western australia
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letter on ep's and their meaning ?
hello everyone

i was wondering if anyone explain or point me to the direction on what the letter on my ep's might mean ?

on my 20mm it has H20mm

on my 4mm it has SR4mm

on my 2.5mm it has H12.5mm



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