DIN 20379:1990-03
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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DRILL BITS WITH TAPERED CONNECTION FOR PERCUSSIVE WET ROCK DRILLING
Hardcopy , PDF
01-05-2011
English
01-01-1990
Specifies dimensions and hardness of drill bits with tapered connections to be fitted on the drill rods specified in DIN 20377, as used in percussive wet rock drilling.
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