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[ñïèñàíèå]
ÈÒÈ: Èçîáðåòåíèÿ, òðàíñôåð, èíîâàöèè
ÐÀ6108
Êîîïåðàòèâíî-èçäàòåëñêà êúùà ÕÂÏ
Ñîôèÿ
30 ñì
2009-
äðóãà
ISSN:
1313-9657
608
Èçîáðåòåíèÿ è ðàöèîíàëèçàöèè
Older Receipts (by Years):
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