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发明名称
HOLLOW CRANKKSHAFT AND METHOD OF FABRICATING THE SAME
摘要
申请公布号
JPS5357172(A)
申请公布日期
1978.05.24
申请号
JP19760132907
申请日期
1976.11.04
申请人
SUMITOMO METAL IND
发明人
MIYAMOTO YASUO
分类号
B21C37/15;B21C37/16;B21D7/03;B21D7/16;B21D53/84;B21K1/08
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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