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DIFF Subgroup
E21D 17/10

Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates

Introduced: September 1968

Full Title

Caps for supporting mine roofs > Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates

No child classifications to compare. This is a leaf node in both IPC and CPC.