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发明名称
Vibrator
摘要
申请公布号
US2406730(A)
申请公布日期
1946.08.27
申请号
US19390295248
申请日期
1939.09.16
申请人
WHITEHEAD RICHARD H
发明人
WHITEHEAD RICHARD H.
分类号
F42C9/04
主分类号
F42C9/04
代理机构
代理人
主权项
地址
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