国家/地区
IPC部 B（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC
发明人
公开年 2022（2）
申请年 2020（2）
专利权人

Diffuser mechanism of non-welding structure useful in seawater discharge channel comprises pipe component closely supports sleeve on spool of hull, and diffusion component supporting wing pieces inside sleeve.

SEOK N

Inner wall wear-resistant pipe material has inner wall pipe material comprising inner wall pipe main body and inner wall pipe ear-resistant coating, where inner wall pipe main body and inner wall wear-resistant pipe coating are arranged from outside to inside.

DAI L