URN:NBN:SI:doc-KOMTFYZL1925documents/doc/K/URN_NBN_SI_doc-KOMTFYZL_001.pdfdocuments/doc/K/URN_NBN_SI_doc-KOMTFYZL_001.txtdocuments/doc/K/URN_NBN_SI_doc-KOMTFYZL_001.xml4 strani31471619URN:NBN:SI:doc-KOMTFYZLslvUprava za zaštitu industriske svojineOgrevanje (vobče)PDMid-31471619_024_scn-001.jp2id-31471619_024_scn-002.jp2id-31471619_024_scn-003.jp2id-31471619_024_scn-004.jp2Dvostruka pećpatentni spis br. 2581Razred 36 (Oddelek 1)