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韩国(2)
IPC部
C(2)
IPC大类
C09(2)
IPC小类
C09D(2)
IPC
C09D175/14(2)
发明人
PARK J(2)
公开年
2021(2)
申请年
2021(2)
专利权人
PARK J(2)
Method for preventing neutralization and shielding electromagnetic wave of concrete structure comprises e.g. coating acrylic urethane-based modified water-soluble composite resin on reinforced concrete structure with leveling patching agent.
PARK J
Electromagnetic wave shielding coating method for steel materials comprises surface treatment of surface-treating contaminants including rust, dust, and oil on surface of steel material using surface treatment device.
PARK J
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