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发明名称
NON-SLIP ON STEPS
摘要
申请公布号
KR800001623(Y1)
申请公布日期
1980.10.02
申请号
KR19790007073U
申请日期
1979.11.22
申请人
CHOI HAE JOO
发明人
CHOI HAE JOO
分类号
E04F11/16;(IPC1-7):E04F11/16
主分类号
E04F11/16
代理机构
代理人
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地址
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