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PCE
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DIFF Subgroup
E21D 5/01

using prefabricated lining lowered into a hole filled with liquid or viscous mass

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Lining shafts; Linings therefor > using prefabricated lining lowered into a hole filled with liquid or viscous mass

CPC:

Lining shafts; Linings therefor (E21D11/00 takes precedence ) > using prefabricated lining lowered into a hole filled with liquid or viscous mass

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