发明名称 |
Method of registering film positives or negatives/foils/masks or flats |
摘要 |
A combined pre-press punch for simultaneously punching a symmetrical configuration for film sheet bearing a fixed relationship with desired plate punch configurations and having a floating back punch symmetrically disposed relative to the symmetrical punching configuration.
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申请公布号 |
US4829866(A) |
申请公布日期 |
1989.05.16 |
申请号 |
US19840635476 |
申请日期 |
1984.07.30 |
申请人 |
EMBASSY LITHO PLATES PTY., LTD. |
发明人 |
WILSON, PETER W. |
分类号 |
G03F9/00 |
主分类号 |
G03F9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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