Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
E21F 15/08

Filling-up hydraulically or pneumatically (hydraulic or pneumatic transport devices B65G; pipes, pipe couplings F16L)

Full Title

Methods or devices for placing filling-up materials in underground workings (dams E21F17/103 ) > Filling-up hydraulically or pneumatically (hydraulic or pneumatic transport devices B65G; pipes, pipe couplings F16L)

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

  • E21F 15/10 Hydraulic or pneumatic filling-up machines