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2
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2
Serial [ñïèñàíèå]
ÈÒÈ: Èçîáðåòåíèÿ, òðàíñôåð, èíîâàöèè
Êîîïåðàòèâíî-èçäàòåëñêà êúùà ÕÂÏ
Ñîôèÿ
2009-
äðóãà
ISSN:
1313-9657
Èçîáðåòåíèÿ è ðàöèîíàëèçàöèè
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