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发明名称
Method of securing grid wires
摘要
申请公布号
US1792219(A)
申请公布日期
1931.02.10
申请号
US19270167140
申请日期
1927.02.10
申请人
SIEMENS & HALSKE, AKTIENGESELLSCHAFT
发明人
GREBEL BRUNO
分类号
H01J19/38
主分类号
H01J19/38
代理机构
代理人
主权项
地址
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