Hexagon bolts with flange - Small series (ISO/DIS 15071:1996, modified)
小系列带法兰的六角螺栓（ISO/DIS 15071-1996 修改）；德文版EN 1662:1997

1998-02-01

Hexagon bolts with flange with metric fine pitch thread. Small series (ISO 15072:1999 modified)
带公制细牙螺纹法兰的六角螺栓 小系列（ISO 15072-1999修改）

2004-10-29