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发明名称
METHODS AND APPARATUS FOR MAKING ARTIFICIAL PIEZOELECTRIC ELEMENTS
摘要
申请公布号
CA473007(A)
申请公布日期
1951.04.17
申请号
CAD473007
申请日期
申请人
TECHNICAL ASSETS
发明人
CONSTANTIN CHILOWSKY
分类号
主分类号
代理机构
代理人
主权项
地址
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