on the bottom

Introduced: January 1990

Full Title

Laying or reclaiming pipes; Repairing or joining pipes on or under water > Laying or reclaiming pipes on or under water > on the bottom

CPC subdivides this area 6x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

IPC defines codes here since 1990.

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F16L 1/161 CPC only CPC only
F16L 1/163 CPC only CPC only
F16L 1/165 CPC only CPC only
F16L 1/166 CPC only CPC only
F16L 1/168 CPC only CPC only
F16L 1/18 the pipes being S- or J-shaped and under tension during laying since 1990 IPC+CPC Available in IPC and CPC