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发明名称
PRODUCTION OF HELICAL GEAR
摘要
申请公布号
JPH11300446(A)
申请公布日期
1999.11.02
申请号
JP19980109838
申请日期
1998.04.20
申请人
OOKA GIKEN KK
发明人
HOGUCHI TETSUYA
分类号
B21J5/12;B21K1/30;(IPC1-7):B21K1/30
主分类号
B21J5/12
代理机构
代理人
主权项
地址
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