The invention generally relates to {HEAD ~ tubular components} and, more particularly, {TAIL ~ the invention} relates to tubular products made of cobalt and cobalt alloys 
The invention generally relates to { HEAD ~ tubular components } and , more particularly , { TAIL ~ the invention } relates to tubular products made of cobalt and cobalt alloys
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH