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发明名称
MANUFACTURE OF SPIRAL PLATE AND ITS MANUFACTURING DEVICE
摘要
申请公布号
JPH0523749(A)
申请公布日期
1993.02.02
申请号
JP19910202449
申请日期
1991.07.17
申请人
CHIBA SEIKI KK
发明人
SANO TAKAYUKI;TOMITA HIROSHI;NISHIDA NOBORU
分类号
B21D11/07;B21D11/14
主分类号
B21D11/07
代理机构
代理人
主权项
地址
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