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Item type:
Patent
,
Access status:
Open Access
,
Koronka wiertnicza opis patentowy nr 151783
(
Urząd Patentowy RP
,
1991-02-28
)
Zięba, Antoni
;
Ziaja, Małgorzata
;
Wróblewski, Marcin
;
Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
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