egal...
 Disasters induced by geophysical effects
Earthquakes Tsunamis
 1957/58 : IGY-Campaign
IGY: International Geophysical Year
 Congresses of Geophysical interest
IUGG: Int.Union Geodesy Geophysics Other Congresses & Meetings
 Geophysically relevant cruises of ships
Cruises of Ship Polarstern
 Geophysically relevant surveys in polar regions
Arctic Antarctica


  found 1 countries with filter 1111,x,x: Petrophysics

General Geophysics on Stamps - Allgemeine Geophysik auf Briefmarken - Géophysique sur les timbres - Selected topic(s): Petrophysics

GDR 1980

Stamp showing.....
2zzz


Categories1: Petrophysics


Attributes and External Links:
https://agilescientific.com/blog/2011/5/30/geophysical-stamps-2-sonic.html

Philatelic Objcts with topic: Petrophysics on 25.06.2021