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发明名称
ADJUSTABLE APERATURE
摘要
申请公布号
GB9226936(D0)
申请公布日期
1993.02.17
申请号
GB19920026936
申请日期
1992.12.24
申请人
HARTLEY BERNARD M.
发明人
分类号
B23B31/12;B25B13/18;B25B13/44
主分类号
B23B31/12
代理机构
代理人
主权项
地址
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