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发明名称
WORK SUPPORT
摘要
申请公布号
CA298502(A)
申请公布日期
1930.03.18
申请号
CAD298502
申请日期
申请人
THE UNITED SHOE MACHINERY COMPANY OF CANADA
发明人
VICTOR EMMANUEL HIPPERSON;JOSEPH GOULDBOURN
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主分类号
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