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发明名称
Perfectionnement aux broyeurs
摘要
申请公布号
FR930079(A)
申请公布日期
1948.01.15
申请号
FRD930079
申请日期
1946.07.01
申请人
发明人
ROLLAND JEAN
分类号
B02C13/26
主分类号
B02C13/26
代理机构
代理人
主权项
地址
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