
Ophthalmic optics - Spectacle frames - Screw threads
出版:International Organization for Standardization

專家解讀視頻
Gives requirements for ISO metric screw threads for use with spectacle frames.
PN EN ISO 11381 : 2016 - Identical
DS EN ISO 11381 : 2016 - Identical
NBR ISO 11381 : 2011 - Identical
BS 3172(1995) : 1995 AMD 9448 - Identical