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发明名称
Engine vacuum sound barrier
摘要
申请公布号
US3090463(A)
申请公布日期
1963.05.21
申请号
US19600008611
申请日期
1960.02.15
申请人
YANDA JOHN D
发明人
YANDA JOHN D.
分类号
F02B61/04;F02B75/02;F02B77/13
主分类号
F02B61/04
代理机构
代理人
主权项
地址
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