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发明名称
MANUFACTURING METHOD AND DEVICE OF SPROCKET AND LIKE BY PUNCHING
摘要
申请公布号
JPS52121884(A)
申请公布日期
1977.10.13
申请号
JP19760038147
申请日期
1976.04.07
申请人
MITSUI MIIKE MACHINERY CO LTD;TOYO SEIMITSU PURESU KOUGIYOU
发明人
UNOKI JIYUNICHI;UKAJI HIROSHI;SATOU HIRAAKI;ISHIGURO YOSHIAKI
分类号
B26F1/02;B21D22/02;B21D28/16;B21D28/24;B26F1/14
主分类号
B26F1/02
代理机构
代理人
主权项
地址
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