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发明名称
摘要
申请公布号
FR1558351(A)
申请公布日期
1969.02.28
申请号
FRD1558351
申请日期
1967.10.27
申请人
发明人
分类号
B66C19/00;F15B11/22
主分类号
B66C19/00
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地址
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