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发明名称
Impulse transmitter mechanism
摘要
申请公布号
US2258266(A)
申请公布日期
1941.10.07
申请号
US19380196621
申请日期
1938.03.18
申请人
ASSOCIATED ELECTRIC LABORATORIES, INC.
发明人
SENGEBUSCH HANS
分类号
H04M1/274
主分类号
H04M1/274
代理机构
代理人
主权项
地址
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