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发明名称
Apparatus for making corrugated sheet material
摘要
Apparatus for making corrugated sheet material, primarily intended for use in heat exchangers as secondary heat exchange surfaces, includes a pair of rolls rotatable in opposite directions to draw sheet between the rolls.
申请公布号
US4170122(A)
申请公布日期
1979.10.09
申请号
US19780877628
申请日期
1978.02.14
申请人
COVRAD LTD
发明人
COWELL, TIMOTHY A T
分类号
B21D13/04;F28F3/02;(IPC1-7):B21D13/04
主分类号
B21D13/04
代理机构
代理人
主权项
地址
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