一级毛片全黄无码免费看_日韩成人免费国产电影_亚洲黄 ,国产精品高清久久久久久久_欧美一区二区三区精品国产_ ,亚洲日韩一区二区三区+mp4,中文字幕AV一区二区三

search
Products

產(chǎn)品圖片

Standard Block

The standard hardness block is the standard configuration for Mitech series Webster hardness testers. With size of 150×25×2(mm)and hardness of 15.5-16.5HW.It is mainly used to judge whether the measuring error of leeb hardness tester is in the permitted range by national standards or international standards. Each standard hardness block is engraved with the serial number and hardness values which are consistent with qualified certificates one by one, to ensure the traceability for the national standards or International standards. The standard block is specially made with plating harden layer process. With high quality material, its hardness value is stable and reliable. It is the necessary part for accurate measurement of the instrument.

Adaptive Products

×

郵箱反饋

如您在和我公司的交往中遇到問題,可通過以下方式和我們?nèi)〉寐?lián)系!
您也可以撥打我們客戶服務(wù)熱線:400-0600-280

*
*

MITECH CO. LTD

TEL :

86-10-58859527
008613810243516

ADD:

E-506, 1# of ShangDi East Road, Haidian District, Beijing, China

Email: 

mvip@mitech-ndt.com

公眾號