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经营范围
发明名称
Piezoelektrischer Ultraschallgeber
摘要
申请公布号
DE1135687(B)
申请公布日期
1962.08.30
申请号
DE1956H027586
申请日期
1956.07.16
申请人
HOLDING ELECTROSONIC S. A.
发明人
LEGRAND ROGER
分类号
B06B1/06
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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