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经营范围
发明名称
Crystal hydrophone
摘要
申请公布号
US2983901(A)
申请公布日期
1961.05.09
申请号
US19450588519
申请日期
1945.04.16
申请人
PASLAY LE ROY C;BROWN CHARLES B;ESTES NELSON N
发明人
PASLAY LE ROY C.;BROWN CHARLES B.;ESTES NELSON N.
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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