International classification of patents for invention under the European Convention of l9th December l954.
- Other Title:
- European convention on the international classification of patents for invention.
- Strasbourg, 1963-
v. in cm.
- Patents -- Classification.
Patents (International law).
- "The European convention on the International classification of patents for invention, signed on 19th December 1954, included an Annex setting out an agreed system of classification but provided for its elaboration and possible modification; the Annex was ... modified and was reprinted in 1962."
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