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发明名称
PERIODIC WAVE GENERATOR
摘要
申请公布号
CA406379(A)
申请公布日期
1942.07.28
申请号
CAD406379
申请日期
申请人
HAZELTINE CORPORATION
发明人
HAROLD ALDEN WHEELER
分类号
主分类号
代理机构
代理人
主权项
地址
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