Extended rotation core loading arm
申请公布号:US4826095(A)
申请号:US19880143981
申请日期:1988.01.13
申请公布日期:1989.05.02
发明人:WYWIALOWSKI, FRANK J.
分类号:B65H18/20;B65H19/22;B65H19/30;(IPC1-7):B65H19/22
主分类号:B65H18/20
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