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发明名称
SCREW CONVEYOR WITH VENTING STACKS
摘要
申请公布号
US3427728(A)
申请公布日期
1969.02.18
申请号
USD3427728
申请日期
1967.01.17
申请人
WERNER & PFLEIDERER
发明人
HERBERT WILHELM GUSTAV OCKER
分类号
F26B17/20;(IPC1-7):F26B17/20
主分类号
F26B17/20
代理机构
代理人
主权项
地址
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