Expansion mandrels

Full Title

Chucks ; Expansion mandrels; Adaptations thereof for remote control (faceplates B23Q1/50; rotary devices holding by magnetic and/or electrical force acting directly on work B23Q3/152) > Expansion mandrels

Child Classifications

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• B23B 31/4006
• B23B 31/404
• B23B 31/4073
• B23B 31/408
• B23B 31/4086
• B23B 31/4093
• B23B 31/42 characterised by features relating primarily to remote control of the gripping means