International classification of hard coals by type

Front Cover
United Nations, 1956 - Coal - 52 pages
0 Reviews

From inside the book

What people are saying - Write a review

We haven't found any reviews in the usual places.

Related books

Common terms and phrases

References from web pages

Agglomerated fuels - Patent Review GB19580039999 19581211
The "International Classification" above and hereinafter referred to is the Classification kuown as: "International Classification of Hard Coals by Type", ...
www.wikipatents.com/ gb/ 907107.html

Bibliographic information