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发明名称
SHOVEL
摘要
申请公布号
CA364987(A)
申请公布日期
1937.03.23
申请号
CAD364987
申请日期
申请人
SVEN W. FRANSSON
发明人
SVEN W. FRANSSON
分类号
主分类号
代理机构
代理人
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