1

THE IMPACT ABRASION-HARDNESS OF CERTAIN MINERALS AND CERAMIC PRODUCTS

Year:
1936
Language:
english
File:
PDF, 720 KB
english, 1936
3

A NEW SPIRAL GAS-WASHING BOTTLE

Year:
1926
Language:
english
File:
PDF, 57 KB
english, 1926
5

Abrasive Products in the Building Industry

Year:
1935
Language:
english
File:
PDF, 456 KB
english, 1935
6

Abrasives and Grinding

Year:
1927
Language:
english
File:
PDF, 856 KB
english, 1927