Verification regulation of square tester 直角尺检定仪检定规程
2.
The study of inspecting square set 直角尺检定装置的研制
3.
Measuring instruments . steel squares 测量仪器.钢直角尺
4.
Square measuring instrument 直角尺检查仪
5.
Manufacturing and distributing granite surface plates , straigt edges , squares , square rulers , parallels , vee blocks , box of all specifications , measuring instruments , tri - coordinate measuring machines accessories and varies special designed components , surface plate stand and etc 生产销售各种规格花岗石平板/平尺/直角尺/方角尺/平行规/ v型块/方箱/测量座/三座标测量机附件及花岗石各种异型构件/平板支架等
