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经营范围
发明名称
Plowshare and method of manufacture thereof
摘要
申请公布号
GB771980(A)
申请公布日期
1957.04.10
申请号
GB19550018088
申请日期
1955.06.22
申请人
ALLIS-CHALMERS MANUFACTURING COMPANY
发明人
分类号
B21K19/00
主分类号
B21K19/00
代理机构
代理人
主权项
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