国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2） B32（2）
IPC小类 B29D（2）
IPC B32B029/00（2）
发明人
公开年
申请年 2021（2）
专利权人

Dry composite paper plastic zipper packaging bag comprises bag body and zipper provided on bag body, and bag body made of composite film, composite film sequentially includes e.g. biaxially oriented polypropylene layer, first adhesive layer, kraft paper layer, second adhesive layer.

HUANG Y

Graphene far-infrared floor heating floor comprises wear-resistant paper layer, wood grain paper layer and functional substrate layer, wear-resistant paper layer is complex of high-temperature heat transmitted through functional substrate.

JIN Y, JIN J