CPC Subgroup
F16F 1/371 characterised by inserts or auxiliary extension elements, e.g. for rigidification (F16F1/387 takes precedence; )
Full Title
Springs (working with fluid F16F5/00, F16F9/00) > made of rubber or other material having high internal friction, > characterised by inserts or auxiliary extension elements, e.g. for rigidification (F16F1/387 takes precedence; )
1 direct subcode
Child Classifications
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