国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B32B（2）
IPC B32B027/32（2）
发明人
公开年 2023（2）
申请年
专利权人

Root puncture-resistant mildew-resistant waterproof coiled material for planting roof system, includes copper foil layer whose upper and lower surfaces are provided with asphalt coating made of modified asphalt, where upper and lower surfaces of asphalt coating are attached with isolation film.

LU Z, LIANG Z, LIANG B

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S