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发明名称
Improvements in lehrs
摘要
申请公布号
GB343445(A)
申请公布日期
1931.02.12
申请号
GB19300030044
申请日期
1929.11.12
申请人
BALL BROTHERS COMPANY
发明人
分类号
C03B25/06
主分类号
C03B25/06
代理机构
代理人
主权项
地址
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