Deformations, stresses and... welding - Stefan Hristov 2011

~71⁸⁷ €

5d 6h 36m

avd_BG (1135)

1979. Austria. Vienna welcomes the world for WIPA 1981-1979.

~1¹⁸ €

2d 13h 41m

despot55 (387)

Open-pit mining: Asen Anachkov, Stefan

~11⁸¹ €

5h 31m 17s

dinchati13 (840)

Cartography - Stefan Dyulgerov 1976

~7⁷⁰ €

1d 2h 21m

avd_BG (1135)

55 practical schemes of electronic filters - Stefan Kutsarov

~2⁵⁷ €

2d 9h 51m

Knigi-Mitaka (103)

Handbook of Ceramic Structures - Stefan Beratov 1971

~12⁸³ €

6d 23h 6m

avd_BG (1135)

Bonding of metals - Stefan G. Semerdzhiev

~4⁸⁸ €

6d 12h 51m

bonitem (165)

Hungary Europe 1979 Trains bl. unperforated 1979 MNH

~10²⁷ €

4d 1h 56m

jkreddragon (45)

The sailing board - Stefan Baiy

~2⁵⁷ €

2d 14h 56m

jpapostolova (448)

Bonding of metals - Stefan G. Semerdzhiev 1964

~5¹³ €

1d 2h 21m

avd_BG (1135)

Heat Technology - Stefan Donchev 1974

~5¹³ €

1d 0h 56m

avd_BG (1135)

Thyristor technique - Stefan Tabakov

~2⁵⁷ €

2d 9h 51m

Knigi-Mitaka (103)

Stefan Gatsev (1935-1986) Near the village of Bozhilovtsi, 1979. Mixed tech

~349⁰⁸ €

3d 11h 36m

Framer (283)

Book "Sailing board - Stefan Bayi" - 120 p.

~2⁵⁷ €

9d 3h 23m

ruse05 (1526)

Electric micromachines. Part 1-2 Stefan Popadiin 1970

~15⁴⁰ €

2d 10h 36m

avd_BG (1135)

Wasser - kostbares Nass/ M. Schmid "water the water")

~66²² €

5h 31m 17s

dinchati13 (840)

Handbook of multivibrators - Stefan Valkov

~1⁵⁴ €

2d 9h 51m

Knigi-Mitaka (103)

271481 / pure Bulgaria IPTZ 1979 Hood Stefan Kanchev coin

~0⁷⁷ €

4d 22h 51m

Stamps_Tim (364)