Uniting glass rods, glass tubes, or hollow glassware (C03B23/24 takes precedence)

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Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Uniting glass pieces by fusing without substantial reshaping > Uniting glass rods, glass tubes, or hollow glassware (C03B23/24 takes precedence)

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• C03B 23/213 Joining projections or feet
• C03B 23/217 for the production of cathode ray tubes or similarly shaped tubes