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发明名称
Perfectionnements aux cribles
摘要
申请公布号
FR716150(A)
申请公布日期
1931.12.15
申请号
FRD716150
申请日期
1931.04.27
申请人
发明人
ROSS WILLIAM
分类号
B07B1/15
主分类号
B07B1/15
代理机构
代理人
主权项
地址
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