BİLİM VE TEKNİK
SAYI 294 SAYFA 52
ÜLKE ADI PATENT ADEDİ
JAPONYA 70000
ALMANYA 40000
FRANSA 40000
İTALYA 40000
İNGİLTERE 55000
TÜRKİYE 150
Saturday, August 29, 2009
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