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发明名称
摘要
申请公布号
FR750541(A)
申请公布日期
1933.08.10
申请号
FRD750541
申请日期
申请人
发明人
分类号
B66F3/25;B66F11/04;F15B15/14;F15B15/16
主分类号
B66F3/25
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代理人
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地址
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