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发明名称
Perfectionnements aux transporteurs pneumatiques de poussières
摘要
申请公布号
FR1098222(A)
申请公布日期
1955.07.20
申请号
FRD1098222
申请日期
1954.01.15
申请人
发明人
MARK ANDRE
分类号
B65G53/52
主分类号
B65G53/52
代理机构
代理人
主权项
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