Standard specification for laboratory weights and precision mass standards / 
ASTM International. 
 - 1 unumbered pages, 17 pages ;  30 cm. 
 - ASTM international designation ;  E617-18 .
 - ASTM international designation ;  E617-18 .
<br/><br/><label>ISBN: </label> RM294.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weights and measures--Standards.<br/>Standards of mass.