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发明名称
摘要
申请公布号
GB1304212(A)
申请公布日期
1973.01.24
申请号
GB19700018447
申请日期
1970.04.17
申请人
发明人
分类号
B64D29/08;B64D33/04;F02K1/72;F02K3/06;(IPC1-7):B64D29/08;B64C15/06
主分类号
B64D29/08
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代理人
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地址
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