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发明名称
Perfectionnements aux vilebrequins
摘要
申请公布号
FR980413(A)
申请公布日期
1951.05.11
申请号
FRD980413
申请日期
1948.12.13
申请人
发明人
GERSTEL RENE
分类号
B23B45/12;F16D41/16
主分类号
B23B45/12
代理机构
代理人
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