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发明名称
Boulon perfectionné par pourtour à crans
摘要
申请公布号
FR1309208(A)
申请公布日期
1962.11.16
申请号
FR19610869476
申请日期
1961.07.29
申请人
发明人
MARTIN GEORGES JULES HENRI
分类号
F16B23/00;F16B39/04
主分类号
F16B23/00
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