国家/地区 中国（2）
IPC部 C（2）
IPC大类 E04（2）
IPC小类 E04B（2）
IPC
发明人 CHEN J（2）
公开年
申请年
专利权人

Prefabricated building construction method involves dividing on-site grouting site into warehouses, preparing grouting material containing Portland cement, gypsum, fine aggregate and admixture, pouring into low-pressure container, aging, producing test blocks, and grouting divided warehouses.

YE S, CHEN J, MEI C, JIN M, WANG Q

Rigid polyurethane foam thermal insulation material comprises rigid polyurethane foam thermal insulation material matrix, modified material powder C, modified material powder D and modified material powder E.

LIU J, WANG Y, LIU S, WANG Z, WANG C, XUE Y, GUAN Z, ZHAO Y, JIA L, LIU Z, ZHANG L, ZHENG J, SUN H, YIN F, WEI W, CHEN J, SONG M, LI K, GU K, LI H, JIA H, DI H, DI J