国家/地区 中国（3）
IPC部 B（3）
IPC大类 B05（3）
IPC小类 B05D（3）
IPC B05D007/14（3）
发明人
公开年 2021（3）
申请年
专利权人

Surface modified copper bus bar, has lapping surface and non-overlapping surface of copper bus are attached with silver bottom layer by magnetic control sputtering technology.

LIN Q, MEI Z

Aluminum alloy door and window used in chemical plant and smelter, comprises main material, sound insulation layer, wear-resistant layer, anti-oxidation layer and self-cleaning layer having preset thickness.

LIU N

High-temperature corrosion-resistant steel used for pipelines, comprises carbon, silicon, manganese, nickel, chromium, molybdenum, nitrogen, tungsten, sulfur, phosphorus, neodymium, gadolinium, yttrium and iron.

ZHANG X, DU F, LI L