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发明名称
Improvements in or relating to drafting machine heads
摘要
申请公布号
GB2092312(A)
申请公布日期
1982.08.11
申请号
GB19810003175
申请日期
1981.02.02
申请人
MARABUWERKE ERWIN MARTZ GMBH & CO
发明人
分类号
B43L13/08;(IPC1-7):B43L13/08
主分类号
B43L13/08
代理机构
代理人
主权项
地址
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