国家/地区 中国（3）
IPC部 B（3）
IPC大类 B22（3）
IPC小类 C09D（3）
IPC C09D005/08（2） C09D007/61（2）
发明人
公开年 2022（2）
申请年
专利权人

Preparing pipe material comprises cleaning mineral-inorganic composite materials, grinding, melting, casting and forming in combination with pipe mold by means of centrifugal casting, demolding and cooling, heating and densifying, and coating anti-corrosion coating.

WANG P

Lead-acid storage battery casting flux drying device comprises ventilation block, ventilation pipe, ventilation hole and device body.

SHAO S, MA X

High-speed magnetic levitation fan back cover heat dissipation shell comprises a heat dissipation shell body, a first heat dissipation component arranged on the side of the heat dissipation shell body and a second heat dissipating component.

ZHOU F, XU Y