Signature: BLRPAT21985
Published: [S.l.]: [s.n.], 1978


Extent: 5 s., sch.
Keywords: patenty
Publication type: patenty
Notes: 1 sv., G 01 C 1/02., 30.1.1975, 25.11.1976., Sofija

The record appears in these collections:
Library VÚGTK > Patents
Monographic Publications