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发明名称
摘要
申请公布号
JPS5618282(B2)
申请公布日期
1981.04.28
申请号
JP19750098329
申请日期
1975.08.13
申请人
发明人
分类号
B21D1/02;B21B1/22;B21B1/28;B21B1/36;B21B45/06;B21D1/00;B21D1/05;C21D1/00;C21D1/82;C21D9/52;C21D9/56
主分类号
B21D1/02
代理机构
代理人
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地址
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