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发明名称
Apparatus for unloading pulverulent material from transportation tanks
摘要
申请公布号
US2580215(A)
申请公布日期
1951.12.25
申请号
US19480058254
申请日期
1948.11.04
申请人
BOZICH MICHAEL J
发明人
BOZICH MICHAEL J.
分类号
B61D5/00
主分类号
B61D5/00
代理机构
代理人
主权项
地址
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