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经营范围
发明名称
Method and apparatus for making an extensible flexible hose
摘要
申请公布号
US2797730(A)
申请公布日期
1957.07.02
申请号
US19550551382
申请日期
1955.12.06
申请人
THE HOOVER COMPANY
发明人
MARTIN FRANK A.
分类号
B29C63/20;B29D23/18
主分类号
B29C63/20
代理机构
代理人
主权项
地址
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