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发明名称
Improvements relating to punching machines
摘要
申请公布号
GB771828(A)
申请公布日期
1957.04.03
申请号
GB19530027621
申请日期
1953.10.08
申请人
BOUCHER & COMPANY LIMITED
发明人
WILKINSON JOHN GRANVILLE GINDER
分类号
D03C17/00
主分类号
D03C17/00
代理机构
代理人
主权项
地址
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