Normal view MARC view ISBD view

Method and apparatus for purifying drill - 0 Govt. of India, The Pate 0

Subjects--Topical Terms:
Geology

Subjects--Index Terms: 152027 APPARATUS ASCERTAINS DESCRIBES DRILL DRILLING FOLLOWING HOLES INVENTION MANNER METHOD MUD NATURE PARTICULARLY PERFORMED PHASE PURIFYING RETRIEVED SEPARATING SOLID SPECIFICATION

Universal Decimal Class. No.: 0