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发明名称
Improvements relating to pressure-controlling or cushioning appliances
摘要
申请公布号
GB647237(A)
申请公布日期
1950.12.06
申请号
GB19480018345
申请日期
1948.07.08
申请人
ARTHUR CARTER
发明人
分类号
B21D24/02
主分类号
B21D24/02
代理机构
代理人
主权项
地址
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