国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3）
IPC小类 C09D（3）
IPC C09D005/08（2） C09D007/61（2） C09D163/00（2）
发明人 ZHANG J（3）
公开年 2021（3）
申请年 2020（2） 
专利权人 NINGBO ZHONG.（2）

Anti-seepage structure of construction joint of rockfill concrete dam comprises e.g. multi-section dam body, whose each section of dam body sequentially provided with upstream overburden layer and downstream cover layer.

WANG L, WU Y, ZHANG J, ZANG Z, GAO Q, ZHANG F, DU Q, HE X, GENG T, BI C, LI X

Track steel structure based on graphene anti-corrosion fireproof coating comprises main body, anti-corrosion layer and fixing block, where bottom end of main body is fixedly connected with fixing block at equal intervals, and outer part of main body.

ZHANG J, LIU Z, LI R, WU Q

Power transmission tower, has strut fixing mechanism fixedly connected on transmission tower supporting column, supporting frame fixedly connected on base main body, and protective frame connected on supporting frame.

WU Q, PU J, LIU S, LU G, LIU Z, ZHANG J, LI R