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发明名称
A new or improved device for measuring and checking angles
摘要
申请公布号
GB649446(A)
申请公布日期
1951.01.24
申请号
GB19480004984
申请日期
1948.02.20
申请人
PHILIP RAYMOND CLIFFORD;LEONARD ALFRED MATTHEWS
发明人
分类号
G01B5/24
主分类号
G01B5/24
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代理人
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