Production in optical engineering - Screwed connections without fitting part
光学工程生产.无配件的螺纹连接

2015-09-01

Production in optical engineering - Centering bells - Part 3: With cylindrical fitting dimension 12 mm and 25 mm for outer connection
光学工程生产.定心钟.第3部分:外部连接尺寸为12 mm和25 mm的圆柱形配件

2001-07-01

Production in optical engineering - Centering bells - Part 2: With cylindrical fitting dimension 30 mm and 46 mm for inner connection
光学工程生产.定心钟.第2部分:内部连接用圆柱形配件尺寸30mm和46mm

2001-08-01