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发明名称
Coding and decoding system
摘要
申请公布号
US2414472(A)
申请公布日期
1947.01.21
申请号
US19410386169
申请日期
1941.03.31
申请人
LOCKRIDGE WILLIAM R
发明人
LOCKRIDGE WILLIAM R.
分类号
B61L3/08
主分类号
B61L3/08
代理机构
代理人
主权项
地址
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