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发明名称
MATERIAL SPREADING APPARATUS
摘要
申请公布号
US3550866(A)
申请公布日期
1970.12.29
申请号
USD3550866
申请日期
1969.02.10
申请人
SWENSON SPREADER & MFG. CO.
发明人
ESKIL W. SWENSON
分类号
A01C17/00;B05B9/06;E01C19/20;(IPC1-7):A01C19/00
主分类号
A01C17/00
代理机构
代理人
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地址
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