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发明名称
摘要
申请公布号
JPS5211952(Y2)
申请公布日期
1977.03.16
申请号
JP19710047963U
申请日期
1971.06.09
申请人
发明人
分类号
B21D37/18;B05B15/00;B29B13/00;B29C33/00;B29C33/58;(IPC1-7):B21D37/18;B29C1/04
主分类号
B21D37/18
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代理人
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地址
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