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摘要
申请公布号
FR1601250(A)
申请公布日期
1970.08.10
申请号
FRD1601250
申请日期
1968.12.09
申请人
发明人
分类号
B63C11/00;E02F7/00;E02F7/04
主分类号
B63C11/00
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