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发明名称
Pulse generator
摘要
申请公布号
US2810841(A)
申请公布日期
1957.10.22
申请号
US19550540259
申请日期
1955.10.13
申请人
GENERAL DYNAMICS CORPORATION
发明人
BERCH WILLIAM H.
分类号
H04M19/02
主分类号
H04M19/02
代理机构
代理人
主权项
地址
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