CPC Subgroup
F16J 15/021 Full Title
Sealings > between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence)
2 direct subcodes
Child Classifications
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F16J 15/021 Sealings > between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence)
2 direct subcodes
Navigate with arrow keys, Enter to open