国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B23（2）
IPC小类 B23P（2）
IPC B23P015/00（2）
发明人
公开年
申请年
专利权人

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

Spoke alloy disc material used in spoke disc, comprises zinc, magnesium, copper, scandium, zirconium, iron, nickel, silicon, phosphorus diatomite, modified diatomite, and sulfur diatomaceous earth.

ZHAO X