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发明名称
Method and apparatus for making flexible corrugated reenforced hose
摘要
申请公布号
US2936812(A)
申请公布日期
1960.05.17
申请号
US19570681692
申请日期
1957.09.03
申请人
ROBERTS ROBERT E
发明人
ROBERTS ROBERT E.
分类号
B29C49/00;B29D23/18
主分类号
B29C49/00
代理机构
代理人
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