Release Time:2019-03-09 Hits:
First Author: 董红刚
Disigner of the Invention: 郝晓虎
Application Number: CN201310057583.7
Authorization Date: 2013-02-22
Authorization Number: CN103084760A
Prev One:一种用于钎焊钛合金与钢或钛铝合金与钢的钎料