for operating on pipes or tubes

Full Title

Thread cutting; Automatic machines specially designed therefor > Equipment or accessories specially designed for machines or devices for thread cutting > for operating on pipes or tubes

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR

Subclass:

THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH