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发明名称
IMPROVEMENTS IN ROLLER SHUTTERS
摘要
申请公布号
GB8922074(D0)
申请公布日期
1989.11.15
申请号
GB19890022074
申请日期
1989.09.29
申请人
POLYGARD LIMITED
发明人
分类号
E06B9/11;E06B9/15;E06B9/17
主分类号
E06B9/11
代理机构
代理人
主权项
地址
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