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

H05B39/042 Controlling the light-intensity of the source by measuring the incident light
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CS151413B2

Czechoslovakia


Worldwide applications
1971 AT CH NL FR ES CS US GB BE

Application CS6005A events
1971-08-20
Application filed