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发明名称
SOIL-WORKING IMPLEMENT
摘要
申请公布号
CA670872(A)
申请公布日期
1963.09.24
申请号
CAD670872
申请日期
申请人
KARL A. DUPPENGIESSER
发明人
KARL A. DUPPENGIESSER
分类号
主分类号
代理机构
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