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

C21B7/18 Bell-and-hopper arrangements

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LU58146A1

Luxembourg


Worldwide applications
1969 LU US BE FR ES BR NL GB

Application events
1969-03-05
Application filed