Patent drawing - US4022227 - . Public domain image
Summary
Ελληνικά: Στιγμιότυπα μεθόδου επικάλυψης φαλάκρας
Tags
patents
patent drawings
us patent office
uncategorized media with description in greek language
high resolution
inventions
Date
10/05/1977
Source
USPTO
Link
Copyright info
public domain