Patents

Search tools Text Classification Chemistry Measure Numbers Full documents Title Abstract Claims All Any Exact Not Add AND condition These CPCs and their children These exact CPCs Add AND condition
Exact Exact Batch Similar Substructure Substructure (SMARTS) Full documents Claims only Add AND condition
Add AND condition
Application Numbers Publication Numbers Either Add AND condition

Classifications

C03B18/14 Changing the surface of the glass ribbon, e.g. roughening
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CS172902B2

Czechoslovakia


Worldwide applications
1968 GB 1969 US PL DE DE NL LU FR CS BE

Application CS2206A events
1969-03-27
Application filed