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发明名称
摘要
申请公布号
NL80799(C)
申请公布日期
1956.03.15
申请号
NL19500154785
申请日期
1950.07.12
申请人
发明人
分类号
B63H3/08;B64C11/42
主分类号
B63H3/08
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