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发明名称
Silencing means
摘要
申请公布号
US2706013(A)
申请公布日期
1955.04.12
申请号
US19510244425
申请日期
1951.08.30
申请人
A. V. ROE CANADA LIMITED
发明人
WIGLE LLOYD GRANT
分类号
B64F1/26
主分类号
B64F1/26
代理机构
代理人
主权项
地址
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