国家/地区 中国（3）
IPC部 B（3）
IPC大类 B22（3）
IPC小类 B22D（3）
IPC C09D007/61（3）
发明人
公开年 2022（2）
申请年
专利权人

Surface coating of copper roller of belt furnace used for neodymium-iron-boron material, comprises silica gel coating comprising silicate and water catalyzing by acidic catalyst.

QIU X

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

SHAO S, MA X

Anti-rust and anti-corrosion low-nickel stainless steel material comprises chromium, boron, manganese, molybdenum, nickel, vanadium, phosphorus, silicon, and nitrogen.

PANG X, ZHAO Y, PANG M, HU Z, ZHAN Y, YANG J