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发明名称
Trémie de distribution de poudre
摘要
申请公布号
CH321363(A)
申请公布日期
1957.04.30
申请号
CHD321363
申请日期
1954.12.28
申请人
GUIGNARD,BORIS
发明人
GUIGNARD,BORIS
分类号
B65G65/44
主分类号
B65G65/44
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代理人
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