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发明名称
Transducer device
摘要
申请公布号
GB911311(A)
申请公布日期
1962.11.21
申请号
GB19590039857
申请日期
1959.11.24
申请人
INTERNATIONAL POLAROID CORPORATION
发明人
分类号
G01J1/42;G01T1/26;G06G7/24;H03G1/00;H03G7/00
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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