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发明名称
Improvements in permanent connections between cylindrical members of different diameters
摘要
申请公布号
GB779980(A)
申请公布日期
1957.07.24
申请号
GB19560000151
申请日期
1956.01.03
申请人
WALDES KOH-I-NOOR INC.
发明人
WURZEL HUGO
分类号
F01N7/00;F16B21/20
主分类号
F01N7/00
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代理人
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