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发明名称
Antimicrophonic filament
摘要
申请公布号
US2303277(A)
申请公布日期
1942.11.24
申请号
US19410397856
申请日期
1941.06.13
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
ISHLER HARRY KENNETH
分类号
H01J1/18
主分类号
H01J1/18
代理机构
代理人
主权项
地址
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