国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 GAO A（2）
公开年 2023（2）
申请年
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

Nano-grade graphene net surface nursing sanitary towel, has main body whose surface is located below gauze is provided with absorbing layer, where two sides of main body are fixedly connected with wing and end part is connected with heating mechanism.

CAI D, GAO A, LI Q