国家/地区 韩国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B040/00（2）
发明人 JEONG H I（2） JEONG Y（2）
公开年 2022（2）
申请年 2021（2）
专利权人 JEONG H I（2） JEONG Y（2） KOREA IND TE.（2）

Working method of device, comprises e.g. using corrugating body, material subjected to a undulating body, or material subjected to undulating body and undulating body, with corrugating body provided with magnetic body.

JEONG H I, JEONG Y

Device for construction, has e.g. check valve mounted on injector, cone mesh bar spiral mounted in hollow body and cone-shaped net located inside cone, rod mounted on inner side of cone mesh and additive introduced into hollow body.

JEONG H I, JEONG Y, JUNG Y J