国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4） C08（4）
IPC小类 C04B（4）
IPC C08K003/04（4）
发明人
公开年
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

Method for preparing resin-based ceramic friction material for use in brake pad, involves grafting polyacrylamide to the surface of the ceramic particles through a second silane coupling agent to obtain modified ceramic particles and mixing the resin matrix and the modified ceramic particles.

ZHU W, YUE J, WANG X

Elastic heat spreader film used for forming structural component, comprises graphitic film comprising graphitic crystals, and having preset thermal conductivity, electroconductivity and physical density, and elastomer or rubber.

LIN Y, JANG B Z, ZHANG B, JEAN B

Graphene intelligent self-heating floor connecting piece comprises connecting piece main body with connecting rod and supporting rod, and provided with first and second connection parts, screw thread and jacks.

DAI M