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发明名称
Improvements in or relating to optical apparatus for detecting the occurrence of broken threads, filaments or the like
摘要
申请公布号
GB691069(A)
申请公布日期
1953.05.06
申请号
GB19500019232
申请日期
1950.08.01
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;LAURENCE GEORGE WARD
发明人
分类号
B65H63/032
主分类号
B65H63/032
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代理人
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