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发明名称
摘要
申请公布号
JPS50122792(A)
申请公布日期
1975.09.26
申请号
JP19740028897
申请日期
1974.03.13
申请人
发明人
分类号
B26F1/24;B21D28/34;B21D43/26;B26F1/16;B26F1/32;D03C17/04
主分类号
B26F1/24
代理机构
代理人
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