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经营范围
发明名称
Improved escutcheon
摘要
申请公布号
GB831606(A)
申请公布日期
1960.03.30
申请号
GB19560004351
申请日期
1956.02.11
申请人
SPEKE DEVELOPMENTS & PATENTS LIMITED;MAX WILLACY KUHN
发明人
分类号
E05B15/02
主分类号
E05B15/02
代理机构
代理人
主权项
地址
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