国家/地区 中国（3）
IPC部 B（3） C（3） H（2）
IPC大类 B29（3）
IPC小类 B29D（3）
IPC C08K003/34（3）
发明人
公开年 2021（3）
申请年 2021（3）
专利权人

Strong corrosion resistance steel belt reinforced spiral corrugated pipe comprises steel belt and outer pipe and inner pipe composing bisphenol A epoxy vinyl resin, phenolic resin, polypropylene, glass fiber, and modified graphene.

PEI S, ZHOU S, XU J, XU H, CHEN X

Fluorine-free solar battery back plate useful in solar cell module, comprises inner layer and outer layer from inside to outside; raw material for preparing inner layer includes polyolefin.

CAI S, JIAO H

Co-extrusion type antibacterial function non-primed matting film comprises film body, where film body comprises antibacterial agent layer, matting layer, antistatic layer, support layer, adhesive layer and anti-blocking agent layer.

YANG D