for external screw-threads

Introduced: September 1968

Title

Titles differ between systems:

IPC: for external screw threads

CPC: for external screw-threads

Full Title

Full titles differ between systems:

IPC:

Measuring instruments characterised by the use of mechanical techniques > Ring or other apertured gauges, e.g. "go/no-go" gauge > for external screw threads

CPC:

Measuring instruments characterised by the use of mechanical techniques > Ring or other apertured gauges, e.g. "go/no-go" gauge > for external screw-threads

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