CEN/TC 12

Projekta Nr.prEN ISO 20312 rev
NosaukumsISO 20312:2011 applies to design and operating limits for drill strings containing aluminium alloy pipes manufactured in accordance with ISO 15546.
Reģistrācijas numurs (WIID)81670
Darbības sfēraISO 20312:2011 applies to design and operating limits for drill strings containing aluminium alloy pipes manufactured in accordance with ISO 15546.
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