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发明名称
ROTARY ANTI-SCALING DEVICE
摘要
申请公布号
GB8924100(D0)
申请公布日期
1989.12.13
申请号
GB19890024100
申请日期
1989.10.26
申请人
HERCULES SECURITY FABRICATIONS LIMITED
发明人
分类号
E04H17/14
主分类号
E04H17/14
代理机构
代理人
主权项
地址
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