国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08K（2）
IPC
发明人
公开年 2023（2）
申请年 2023（2）
专利权人

Advanced deep hole liquid explosion fracturing structure useful for downlink comprehensive digging hard rock tunnel, has bag injecting pipe whose end is set on outer side of blast hole, and bag hole sealing device filled with special blasting hole sealing grouting material.

YANG S, TONG X, GAO A, YANG J, XU G

Inner filled heat-insulating aluminum alloy profile useful in aviation, aerospace, automobile, machinery manufacturing, ship, construction, and decoration, comprises first aluminum profile and second aluminum profile that cooperate with each other.

SHAO L, NI H, QIU M, TIAN Y, XU Y, LU J, CHEN M, ZHOU X, QIAO G, QIAO T