国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC
发明人 WANG W（2）
公开年
申请年 2021（2）
专利权人

Processing titanium alloy space sampling drill comprises e.g. spraying graphene dispersion liquid to titanium alloy drill bit subjected to nitriding treatment, and drying titanium alloy drill bit sprayed to obtain nitride-graphene composite coating on surface of titanium alloy drill bit.

WANG W, MENG D, FU Z, KANG J, WANG H, YUE W, WANG Q, GAO W, SHE D

Preparing Teflon corrugated pipe internal crimping joint comprises using 304 stainless steel processing to make withholding joints and coating crimping joint surface with corrosion-resistant modified polyperfluoroethylene propylene coating.

WANG W, WANG L, LI S