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经营范围
发明名称
Pneumatic conveying system
摘要
申请公布号
US2688517(A)
申请公布日期
1954.09.07
申请号
US19520291837
申请日期
1952.06.05
申请人
BAKER PERKINS INC.
发明人
RIORDAN ALBERT O.
分类号
A21B1/48;A21C1/14;B65G53/06
主分类号
A21B1/48
代理机构
代理人
主权项
地址
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