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发明名称
METHOD FOR PREVENTING SLUMPING OF A SETTLED BED IN INCLINED PIPES
摘要
申请公布号
US3610706(A)
申请公布日期
1971.10.05
申请号
USD3610706
申请日期
1969.05.27
申请人
SHELL OIL CO.
发明人
FRANK L. MEYER
分类号
B65G53/52;(IPC1-7):B65G53/04
主分类号
B65G53/52
代理机构
代理人
主权项
地址
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