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发明名称
Improvements relating to turning piston rings and the like in copying machines
摘要
申请公布号
GB776471(A)
申请公布日期
1957.06.05
申请号
GB19540037072
申请日期
1954.12.22
申请人
GOETZEWERKE FRIEDRICH GOETZE AKTIENGESELLSCHAFT
发明人
ARNOLD HARTMUT
分类号
B23Q35/10;B23Q35/20
主分类号
B23Q35/10
代理机构
代理人
主权项
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