Signature: PLPAT109954
Published: [S.l.]: [s.n.]


Extent: 4 sl., 2 obr.
Keywords: patenty
Publication type: patenty
Notes: 1 sv., G 01 C 15/10, E 21 B 47/02., 16.12.1975, 29.8.1977

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