ISO <br/><br/>
Cleanrooms and associated controlled environments- ISO 14644-9  Part 1: classification of surface cleanliness by particle concentration 

 - Switzerland  ISO 
 - Soft Binding            25 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>14644-9:2012(E) 
<br/><br/><label>Subjects--Topical Terms: </label>--Bio information, cleanliness
<br/><br/><label>Dewey Class. No.: </label>1st