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发明名称
Improvements in or relating to hydraulic drawing processes
摘要
申请公布号
GB971925(A)
申请公布日期
1964.10.07
申请号
GB19620025116
申请日期
1962.06.29
申请人
SIEMENS-ELECTROGERATE AKTIENGESELLSCHAFT
发明人
分类号
B21D22/20
主分类号
B21D22/20
代理机构
代理人
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地址
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