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发明名称
Improvements in sheet metal utensils for domestic use
摘要
申请公布号
GB531826(A)
申请公布日期
1941.01.13
申请号
GB19390019925
申请日期
1939.07.08
申请人
WILLIAM HANNAM THORNTON;JOHN LESLIE THORNTON
发明人
分类号
B21D51/34
主分类号
B21D51/34
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