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发明名称
Pneumatic conveying device and flap valve
摘要
申请公布号
US4615647(A)
申请公布日期
1986.10.07
申请号
US19850703960
申请日期
1985.02.21
申请人
FULLER COMPANY
发明人
LUKACZ, STEPHEN A.
分类号
B65G53/08;(IPC1-7):B65G33/22;B65G53/04
主分类号
B65G53/08
代理机构
代理人
主权项
地址
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